Removed fixed dependencies

packages/analyzer/lib/src/generated/error.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library engine.error;
+@deprecated
+library analyzer.src.generated.error;
 
-import 'dart:collection';
-
-import 'ast.dart' show AstNode;
-import 'element.dart';
-import 'java_core.dart';
-import 'scanner.dart' show Token;
-import 'source.dart';
-
-/**
- * An error discovered during the analysis of some Dart code.
- *
- * See [AnalysisErrorListener].
- */
-class AnalysisError {
-  /**
-   * An empty array of errors used when no errors are expected.
-   */
-  static const List<AnalysisError> NO_ERRORS = const <AnalysisError>[];
-
-  /**
-   * A [Comparator] that sorts by the name of the file that the [AnalysisError]
-   * was found.
-   */
-  static Comparator<AnalysisError> FILE_COMPARATOR = (AnalysisError o1,
-          AnalysisError o2) =>
-      o1.source.shortName.compareTo(o2.source.shortName);
-
-  /**
-   * A [Comparator] that sorts error codes first by their severity (errors
-   * first, warnings second), and then by the the error code type.
-   */
-  static Comparator<AnalysisError> ERROR_CODE_COMPARATOR =
-      (AnalysisError o1, AnalysisError o2) {
-    ErrorCode errorCode1 = o1.errorCode;
-    ErrorCode errorCode2 = o2.errorCode;
-    ErrorSeverity errorSeverity1 = errorCode1.errorSeverity;
-    ErrorSeverity errorSeverity2 = errorCode2.errorSeverity;
-    if (errorSeverity1 == errorSeverity2) {
-      ErrorType errorType1 = errorCode1.type;
-      ErrorType errorType2 = errorCode2.type;
-      return errorType1.compareTo(errorType2);
-    } else {
-      return errorSeverity2.compareTo(errorSeverity1);
-    }
-  };
-
-  /**
-   * The error code associated with the error.
-   */
-  final ErrorCode errorCode;
-
-  /**
-   * The localized error message.
-   */
-  String _message;
-
-  /**
-   * The correction to be displayed for this error, or `null` if there is no
-   * correction information for this error.
-   */
-  String _correction;
-
-  /**
-   * The source in which the error occurred, or `null` if unknown.
-   */
-  Source source;
-
-  /**
-   * The character offset from the beginning of the source (zero based) where
-   * the error occurred.
-   */
-  int offset = 0;
-
-  /**
-   * The number of characters from the offset to the end of the source which
-   * encompasses the compilation error.
-   */
-  int length = 0;
-
-  /**
-   * A flag indicating whether this error can be shown to be a non-issue because
-   * of the result of type propagation.
-   */
-  bool isStaticOnly = false;
-
-  /**
-   * Initialize a newly created analysis error. The error is associated with the
-   * given [source] and is located at the given [offset] with the given
-   * [length]. The error will have the given [errorCode] and the list of
-   * [arguments] will be used to complete the message.
-   */
-  AnalysisError(this.source, this.offset, this.length, this.errorCode,
-      [List<Object> arguments]) {
-    this._message = formatList(errorCode.message, arguments);
-    String correctionTemplate = errorCode.correction;
-    if (correctionTemplate != null) {
-      this._correction = formatList(correctionTemplate, arguments);
-    }
-  }
-
-  /**
-   * Initialize a newly created analysis error for the specified [source]. The
-   * error will have the given [errorCode] and the list of [arguments] will be
-   * used to complete the message. The error has no location information.
-   */
-  @deprecated // Use new AnalysisError(source, 0, 0, errorCode, arguments)
-  AnalysisError.con1(Source source, ErrorCode errorCode,
-      [List<Object> arguments])
-      : this(source, 0, 0, errorCode, arguments);
-
-  /**
-   * Initialize a newly created analysis error for the specified [source] at the
-   * given [offset] with the given [length]. The error will have the given
-   * [errorCode] and the list of [arguments] will be used to complete the
-   * message.
-   */
-  @deprecated // Use new AnalysisError(source, offset, length, errorCode, arguments)
-  AnalysisError.con2(Source source, int offset, int length, ErrorCode errorCode,
-      [List<Object> arguments])
-      : this(source, offset, length, errorCode, arguments);
-
-  /**
-   * Return the template used to create the correction to be displayed for this
-   * error, or `null` if there is no correction information for this error. The
-   * correction should indicate how the user can fix the error.
-   */
-  String get correction => _correction;
-
-  @override
-  int get hashCode {
-    int hashCode = offset;
-    hashCode ^= (_message != null) ? _message.hashCode : 0;
-    hashCode ^= (source != null) ? source.hashCode : 0;
-    return hashCode;
-  }
-
-  /**
-   * Return the message to be displayed for this error. The message should
-   * indicate what is wrong and why it is wrong.
-   */
-  String get message => _message;
-
-  @override
-  bool operator ==(Object obj) {
-    if (identical(obj, this)) {
-      return true;
-    }
-    // prepare other AnalysisError
-    if (obj is! AnalysisError) {
-      return false;
-    }
-    AnalysisError other = obj as AnalysisError;
-    // Quick checks.
-    if (!identical(errorCode, other.errorCode)) {
-      return false;
-    }
-    if (offset != other.offset || length != other.length) {
-      return false;
-    }
-    if (isStaticOnly != other.isStaticOnly) {
-      return false;
-    }
-    // Deep checks.
-    if (_message != other._message) {
-      return false;
-    }
-    if (source != other.source) {
-      return false;
-    }
-    // OK
-    return true;
-  }
-
-  /**
-   * Return the value of the given [property], or `null` if the given property
-   * is not defined for this error.
-   */
-  Object getProperty(ErrorProperty property) => null;
-
-  @override
-  String toString() {
-    StringBuffer buffer = new StringBuffer();
-    buffer.write((source != null) ? source.fullName : "<unknown source>");
-    buffer.write("(");
-    buffer.write(offset);
-    buffer.write("..");
-    buffer.write(offset + length - 1);
-    buffer.write("): ");
-    //buffer.write("(" + lineNumber + ":" + columnNumber + "): ");
-    buffer.write(_message);
-    return buffer.toString();
-  }
-
-  /**
-   * Merge all of the errors in the lists in the given list of [errorLists] into
-   * a single list of errors.
-   */
-  static List<AnalysisError> mergeLists(List<List<AnalysisError>> errorLists) {
-    Set<AnalysisError> errors = new HashSet<AnalysisError>();
-    for (List<AnalysisError> errorList in errorLists) {
-      errors.addAll(errorList);
-    }
-    return errors.toList();
-  }
-}
-
-/**
- * An object that listen for [AnalysisError]s being produced by the analysis
- * engine.
- */
-abstract class AnalysisErrorListener {
-  /**
-   * An error listener that ignores errors that are reported to it.
-   */
-  static final AnalysisErrorListener NULL_LISTENER =
-      new AnalysisErrorListener_NULL_LISTENER();
-
-  /**
-   * This method is invoked when an [error] has been found by the analysis
-   * engine.
-   */
-  void onError(AnalysisError error);
-}
-
-/**
- * An [AnalysisErrorListener] that ignores error.
- */
-class AnalysisErrorListener_NULL_LISTENER implements AnalysisErrorListener {
-  @override
-  void onError(AnalysisError event) {
-    // Ignore errors
-  }
-}
-
-/**
- * An [AnalysisError] that can have arbitrary properties associated with it.
- */
-class AnalysisErrorWithProperties extends AnalysisError {
-  /**
-   * The properties associated with this error.
-   */
-  HashMap<ErrorProperty, Object> _propertyMap =
-      new HashMap<ErrorProperty, Object>();
-
-  /**
-   * Initialize a newly created analysis error. The error is associated with the
-   * given [source] and is located at the given [offset] with the given
-   * [length]. The error will have the given [errorCode] and the list of
-   * [arguments] will be used to complete the message.
-   */
-  AnalysisErrorWithProperties(
-      Source source, int offset, int length, ErrorCode errorCode,
-      [List<Object> arguments])
-      : super(source, offset, length, errorCode, arguments);
-
-  /**
-   * Initialize a newly created analysis error for the specified [source]. The
-   * error will have the given [errorCode] and the list of [arguments] will be
-   * used to complete the message. The error has no location information.
-   */
-  @deprecated // Use new AnalysisErrorWithProperties(source, 0, 0, errorCode, arguments)
-  AnalysisErrorWithProperties.con1(Source source, ErrorCode errorCode,
-      [List<Object> arguments])
-      : this(source, 0, 0, errorCode, arguments);
-
-  /**
-   * Initialize a newly created analysis error for the specified [source] at the
-   * given [offset] with the given [length]. The error will have the given
-   * [errorCode] and the list of [arguments] will be used to complete the
-   * message.
-   */
-  @deprecated // Use new AnalysisErrorWithProperties(source, offset, length, errorCode, arguments)
-  AnalysisErrorWithProperties.con2(
-      Source source, int offset, int length, ErrorCode errorCode,
-      [List<Object> arguments])
-      : this(source, offset, length, errorCode, arguments);
-
-  @override
-  Object getProperty(ErrorProperty property) => _propertyMap[property];
-
-  /**
-   * Set the value of the given [property] to the given [value]. Using a value
-   * of `null` will effectively remove the property from this error.
-   */
-  void setProperty(ErrorProperty property, Object value) {
-    _propertyMap[property] = value;
-  }
-}
-
-/**
- * An [AnalysisErrorListener] that keeps track of whether any error has been
- * reported to it.
- */
-class BooleanErrorListener implements AnalysisErrorListener {
-  /**
-   * A flag indicating whether an error has been reported to this listener.
-   */
-  bool _errorReported = false;
-
-  /**
-   * Return `true` if an error has been reported to this listener.
-   */
-  bool get errorReported => _errorReported;
-
-  @override
-  void onError(AnalysisError error) {
-    _errorReported = true;
-  }
-}
-
-/**
- * The error codes used for compile time errors caused by constant evaluation
- * that would throw an exception when run in checked mode. The client of the
- * analysis engine is responsible for determining how these errors should be
- * presented to the user (for example, a command-line compiler might elect to
- * treat these errors differently depending whether it is compiling it "checked"
- * mode).
- */
-class CheckedModeCompileTimeErrorCode extends ErrorCode {
-  // TODO(paulberry): improve the text of these error messages so that it's
-  // clear to the user that the error is coming from constant evaluation (and
-  // hence the constant needs to be a subtype of the annotated type) as opposed
-  // to static type analysis (which only requires that the two types be
-  // assignable).  Also consider populating the "correction" field for these
-  // errors.
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   */
-  static const CheckedModeCompileTimeErrorCode CONST_CONSTRUCTOR_FIELD_TYPE_MISMATCH =
-      const CheckedModeCompileTimeErrorCode(
-          'CONST_CONSTRUCTOR_FIELD_TYPE_MISMATCH',
-          "The object type '{0}' cannot be assigned to the field '{1}', which has type '{2}'");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   */
-  static const CheckedModeCompileTimeErrorCode CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH =
-      const CheckedModeCompileTimeErrorCode(
-          'CONST_CONSTRUCTOR_PARAM_TYPE_MISMATCH',
-          "The object type '{0}' cannot be assigned to a parameter of type '{1}'");
-
-  /**
-   * 7.6.1 Generative Constructors: In checked mode, it is a dynamic type error
-   * if o is not <b>null</b> and the interface of the class of <i>o</i> is not a
-   * subtype of the static type of the field <i>v</i>.
-   *
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   *
-   * Parameters:
-   * 0: the name of the type of the initializer expression
-   * 1: the name of the type of the field
-   */
-  static const CheckedModeCompileTimeErrorCode CONST_FIELD_INITIALIZER_NOT_ASSIGNABLE =
-      const CheckedModeCompileTimeErrorCode(
-          'CONST_FIELD_INITIALIZER_NOT_ASSIGNABLE',
-          "The initializer type '{0}' cannot be assigned to the field type '{1}'");
-
-  /**
-   * 12.6 Lists: A run-time list literal &lt;<i>E</i>&gt; [<i>e<sub>1</sub></i>
-   * ... <i>e<sub>n</sub></i>] is evaluated as follows:
-   * * The operator []= is invoked on <i>a</i> with first argument <i>i</i> and
-   *   second argument <i>o<sub>i+1</sub></i><i>, 1 &lt;= i &lt;= n</i>
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>,
-   * 1 &lt;= j &lt;= m</i>.
-   */
-  static const CheckedModeCompileTimeErrorCode LIST_ELEMENT_TYPE_NOT_ASSIGNABLE =
-      const CheckedModeCompileTimeErrorCode('LIST_ELEMENT_TYPE_NOT_ASSIGNABLE',
-          "The element type '{0}' cannot be assigned to the list type '{1}'");
-
-  /**
-   * 12.7 Map: A run-time map literal &lt;<i>K</i>, <i>V</i>&gt;
-   * [<i>k<sub>1</sub></i> : <i>e<sub>1</sub></i> ... <i>k<sub>n</sub></i> :
-   * <i>e<sub>n</sub></i>] is evaluated as follows:
-   * * The operator []= is invoked on <i>m</i> with first argument
-   *   <i>k<sub>i</sub></i> and second argument <i>e<sub>i</sub></i><i>, 1 &lt;=
-   *   i &lt;= n</i>
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   */
-  static const CheckedModeCompileTimeErrorCode MAP_KEY_TYPE_NOT_ASSIGNABLE =
-      const CheckedModeCompileTimeErrorCode('MAP_KEY_TYPE_NOT_ASSIGNABLE',
-          "The element type '{0}' cannot be assigned to the map key type '{1}'");
-
-  /**
-   * 12.7 Map: A run-time map literal &lt;<i>K</i>, <i>V</i>&gt;
-   * [<i>k<sub>1</sub></i> : <i>e<sub>1</sub></i> ... <i>k<sub>n</sub></i> :
-   * <i>e<sub>n</sub></i>] is evaluated as follows:
-   * * The operator []= is invoked on <i>m</i> with first argument
-   *   <i>k<sub>i</sub></i> and second argument <i>e<sub>i</sub></i><i>, 1 &lt;=
-   *   i &lt;= n</i>
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   */
-  static const CheckedModeCompileTimeErrorCode MAP_VALUE_TYPE_NOT_ASSIGNABLE =
-      const CheckedModeCompileTimeErrorCode('MAP_VALUE_TYPE_NOT_ASSIGNABLE',
-          "The element type '{0}' cannot be assigned to the map value type '{1}'");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   */
-  static const CheckedModeCompileTimeErrorCode VARIABLE_TYPE_MISMATCH =
-      const CheckedModeCompileTimeErrorCode('VARIABLE_TYPE_MISMATCH',
-          "The object type '{0}' cannot be assigned to a variable of type '{1}'");
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const CheckedModeCompileTimeErrorCode(String name, String message,
-      [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity =>
-      ErrorType.CHECKED_MODE_COMPILE_TIME_ERROR.severity;
-
-  @override
-  ErrorType get type => ErrorType.CHECKED_MODE_COMPILE_TIME_ERROR;
-}
-
-/**
- * The error codes used for compile time errors. The convention for this class
- * is for the name of the error code to indicate the problem that caused the
- * error to be generated and for the error message to explain what is wrong and,
- * when appropriate, how the problem can be corrected.
- */
-class CompileTimeErrorCode extends ErrorCode {
-  /**
-   * Enum proposal: It is also a compile-time error to explicitly instantiate an
-   * enum via 'new' or 'const' or to access its private fields.
-   */
-  static const CompileTimeErrorCode ACCESS_PRIVATE_ENUM_FIELD =
-      const CompileTimeErrorCode('ACCESS_PRIVATE_ENUM_FIELD',
-          "The private fields of an enum cannot be accessed, even within the same library");
-
-  /**
-   * 14.2 Exports: It is a compile-time error if a name <i>N</i> is re-exported
-   * by a library <i>L</i> and <i>N</i> is introduced into the export namespace
-   * of <i>L</i> by more than one export, unless each all exports refer to same
-   * declaration for the name N.
-   *
-   * Parameters:
-   * 0: the name of the ambiguous element
-   * 1: the name of the first library that the type is found
-   * 2: the name of the second library that the type is found
-   */
-  static const CompileTimeErrorCode AMBIGUOUS_EXPORT =
-      const CompileTimeErrorCode('AMBIGUOUS_EXPORT',
-          "The name '{0}' is defined in the libraries '{1}' and '{2}'");
-
-  /**
-   * 12.33 Argument Definition Test: It is a compile time error if <i>v</i> does
-   * not denote a formal parameter.
-   *
-   * Parameters:
-   * 0: the name of the identifier in the argument definition test that is not a
-   *    parameter
-   */
-  static const CompileTimeErrorCode ARGUMENT_DEFINITION_TEST_NON_PARAMETER =
-      const CompileTimeErrorCode(
-          'ARGUMENT_DEFINITION_TEST_NON_PARAMETER', "'{0}' is not a parameter");
-
-  /**
-   * ?? Asynchronous For-in: It is a compile-time error if an asynchronous
-   * for-in statement appears inside a synchronous function.
-   */
-  static const CompileTimeErrorCode ASYNC_FOR_IN_WRONG_CONTEXT =
-      const CompileTimeErrorCode('ASYNC_FOR_IN_WRONG_CONTEXT',
-          "The asynchronous for-in can only be used in a function marked with async or async*");
-
-  /**
-   * ??: It is a compile-time error if the function immediately enclosing a is
-   * not declared asynchronous.
-   */
-  static const CompileTimeErrorCode AWAIT_IN_WRONG_CONTEXT =
-      const CompileTimeErrorCode('AWAIT_IN_WRONG_CONTEXT',
-          "The await expression can only be used in a function marked as async or async*");
-
-  /**
-   * 12.30 Identifier Reference: It is a compile-time error to use a built-in
-   * identifier other than dynamic as a type annotation.
-   */
-  static const CompileTimeErrorCode BUILT_IN_IDENTIFIER_AS_TYPE =
-      const CompileTimeErrorCode('BUILT_IN_IDENTIFIER_AS_TYPE',
-          "The built-in identifier '{0}' cannot be used as a type");
-
-  /**
-   * 12.30 Identifier Reference: It is a compile-time error if a built-in
-   * identifier is used as the declared name of a class, type parameter or type
-   * alias.
-   */
-  static const CompileTimeErrorCode BUILT_IN_IDENTIFIER_AS_TYPE_NAME =
-      const CompileTimeErrorCode('BUILT_IN_IDENTIFIER_AS_TYPE_NAME',
-          "The built-in identifier '{0}' cannot be used as a type name");
-
-  /**
-   * 12.30 Identifier Reference: It is a compile-time error if a built-in
-   * identifier is used as the declared name of a class, type parameter or type
-   * alias.
-   */
-  static const CompileTimeErrorCode BUILT_IN_IDENTIFIER_AS_TYPEDEF_NAME =
-      const CompileTimeErrorCode('BUILT_IN_IDENTIFIER_AS_TYPEDEF_NAME',
-          "The built-in identifier '{0}' cannot be used as a type alias name");
-
-  /**
-   * 12.30 Identifier Reference: It is a compile-time error if a built-in
-   * identifier is used as the declared name of a class, type parameter or type
-   * alias.
-   */
-  static const CompileTimeErrorCode BUILT_IN_IDENTIFIER_AS_TYPE_PARAMETER_NAME =
-      const CompileTimeErrorCode('BUILT_IN_IDENTIFIER_AS_TYPE_PARAMETER_NAME',
-          "The built-in identifier '{0}' cannot be used as a type parameter name");
-
-  /**
-   * 13.9 Switch: It is a compile-time error if the class <i>C</i> implements
-   * the operator <i>==</i>.
-   */
-  static const CompileTimeErrorCode CASE_EXPRESSION_TYPE_IMPLEMENTS_EQUALS =
-      const CompileTimeErrorCode('CASE_EXPRESSION_TYPE_IMPLEMENTS_EQUALS',
-          "The switch case expression type '{0}' cannot override the == operator");
-
-  /**
-   * 12.1 Constants: It is a compile-time error if evaluation of a compile-time
-   * constant would raise
-   * an exception.
-   */
-  static const CompileTimeErrorCode COMPILE_TIME_CONSTANT_RAISES_EXCEPTION =
-      const CompileTimeErrorCode('COMPILE_TIME_CONSTANT_RAISES_EXCEPTION', "");
-
-  /**
-   * 7.2 Getters: It is a compile-time error if a class has both a getter and a
-   * method with the same name. This restriction holds regardless of whether the
-   * getter is defined explicitly or implicitly, or whether the getter or the
-   * method are inherited or not.
-   */
-  static const CompileTimeErrorCode CONFLICTING_GETTER_AND_METHOD =
-      const CompileTimeErrorCode('CONFLICTING_GETTER_AND_METHOD',
-          "Class '{0}' cannot have both getter '{1}.{2}' and method with the same name");
-
-  /**
-   * 7.2 Getters: It is a compile-time error if a class has both a getter and a
-   * method with the same name. This restriction holds regardless of whether the
-   * getter is defined explicitly or implicitly, or whether the getter or the
-   * method are inherited or not.
-   */
-  static const CompileTimeErrorCode CONFLICTING_METHOD_AND_GETTER =
-      const CompileTimeErrorCode('CONFLICTING_METHOD_AND_GETTER',
-          "Class '{0}' cannot have both method '{1}.{2}' and getter with the same name");
-
-  /**
-   * 7.6 Constructors: A constructor name always begins with the name of its
-   * immediately enclosing class, and may optionally be followed by a dot and an
-   * identifier <i>id</i>. It is a compile-time error if <i>id</i> is the name
-   * of a member declared in the immediately enclosing class.
-   */
-  static const CompileTimeErrorCode CONFLICTING_CONSTRUCTOR_NAME_AND_FIELD =
-      const CompileTimeErrorCode('CONFLICTING_CONSTRUCTOR_NAME_AND_FIELD',
-          "'{0}' cannot be used to name a constructor and a field in this class");
-
-  /**
-   * 7.6 Constructors: A constructor name always begins with the name of its
-   * immediately enclosing class, and may optionally be followed by a dot and an
-   * identifier <i>id</i>. It is a compile-time error if <i>id</i> is the name
-   * of a member declared in the immediately enclosing class.
-   */
-  static const CompileTimeErrorCode CONFLICTING_CONSTRUCTOR_NAME_AND_METHOD =
-      const CompileTimeErrorCode('CONFLICTING_CONSTRUCTOR_NAME_AND_METHOD',
-          "'{0}' cannot be used to name a constructor and a method in this class");
-
-  /**
-   * 7. Classes: It is a compile time error if a generic class declares a type
-   * variable with the same name as the class or any of its members or
-   * constructors.
-   */
-  static const CompileTimeErrorCode CONFLICTING_TYPE_VARIABLE_AND_CLASS =
-      const CompileTimeErrorCode('CONFLICTING_TYPE_VARIABLE_AND_CLASS',
-          "'{0}' cannot be used to name a type variable in a class with the same name");
-
-  /**
-   * 7. Classes: It is a compile time error if a generic class declares a type
-   * variable with the same name as the class or any of its members or
-   * constructors.
-   */
-  static const CompileTimeErrorCode CONFLICTING_TYPE_VARIABLE_AND_MEMBER =
-      const CompileTimeErrorCode('CONFLICTING_TYPE_VARIABLE_AND_MEMBER',
-          "'{0}' cannot be used to name a type variable and member in this class");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   */
-  static const CompileTimeErrorCode CONST_CONSTRUCTOR_THROWS_EXCEPTION =
-      const CompileTimeErrorCode('CONST_CONSTRUCTOR_THROWS_EXCEPTION',
-          "'const' constructors cannot throw exceptions");
-
-  /**
-   * 10.6.3 Constant Constructors: It is a compile-time error if a constant
-   * constructor is declared by a class C if any instance variable declared in C
-   * is initialized with an expression that is not a constant expression.
-   */
-  static const CompileTimeErrorCode CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST =
-      const CompileTimeErrorCode(
-          'CONST_CONSTRUCTOR_WITH_FIELD_INITIALIZED_BY_NON_CONST',
-          "Can't define the 'const' constructor because the field '{0}' is initialized with a non-constant value");
-
-  /**
-   * 7.6.3 Constant Constructors: The superinitializer that appears, explicitly
-   * or implicitly, in the initializer list of a constant constructor must
-   * specify a constant constructor of the superclass of the immediately
-   * enclosing class or a compile-time error occurs.
-   *
-   * 9 Mixins: For each generative constructor named ... an implicitly declared
-   * constructor named ... is declared.
-   */
-  static const CompileTimeErrorCode CONST_CONSTRUCTOR_WITH_MIXIN =
-      const CompileTimeErrorCode('CONST_CONSTRUCTOR_WITH_MIXIN',
-          "Constant constructor cannot be declared for a class with a mixin");
-
-  /**
-   * 7.6.3 Constant Constructors: The superinitializer that appears, explicitly
-   * or implicitly, in the initializer list of a constant constructor must
-   * specify a constant constructor of the superclass of the immediately
-   * enclosing class or a compile-time error occurs.
-   */
-  static const CompileTimeErrorCode CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER =
-      const CompileTimeErrorCode('CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER',
-          "Constant constructor cannot call non-constant super constructor of '{0}'");
-
-  /**
-   * 7.6.3 Constant Constructors: It is a compile-time error if a constant
-   * constructor is declared by a class that has a non-final instance variable.
-   *
-   * The above refers to both locally declared and inherited instance variables.
-   */
-  static const CompileTimeErrorCode CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD =
-      const CompileTimeErrorCode('CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD',
-          "Cannot define the 'const' constructor for a class with non-final fields");
-
-  /**
-   * 12.12.2 Const: It is a compile-time error if <i>T</i> is a deferred type.
-   */
-  static const CompileTimeErrorCode CONST_DEFERRED_CLASS =
-      const CompileTimeErrorCode('CONST_DEFERRED_CLASS',
-          "Deferred classes cannot be created with 'const'");
-
-  /**
-   * 6.2 Formal Parameters: It is a compile-time error if a formal parameter is
-   * declared as a constant variable.
-   */
-  static const CompileTimeErrorCode CONST_FORMAL_PARAMETER =
-      const CompileTimeErrorCode(
-          'CONST_FORMAL_PARAMETER', "Parameters cannot be 'const'");
-
-  /**
-   * 5 Variables: A constant variable must be initialized to a compile-time
-   * constant or a compile-time error occurs.
-   */
-  static const CompileTimeErrorCode CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE =
-      const CompileTimeErrorCode('CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE',
-          "'const' variables must be constant value");
-
-  /**
-   * 5 Variables: A constant variable must be initialized to a compile-time
-   * constant or a compile-time error occurs.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode(
-          'CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used to initialized a 'const' variable");
-
-  /**
-   * 7.5 Instance Variables: It is a compile-time error if an instance variable
-   * is declared to be constant.
-   */
-  static const CompileTimeErrorCode CONST_INSTANCE_FIELD =
-      const CompileTimeErrorCode('CONST_INSTANCE_FIELD',
-          "Only static fields can be declared as 'const'");
-
-  /**
-   * 12.8 Maps: It is a compile-time error if the key of an entry in a constant
-   * map literal is an instance of a class that implements the operator
-   * <i>==</i> unless the key is a string or integer.
-   */
-  static const CompileTimeErrorCode CONST_MAP_KEY_EXPRESSION_TYPE_IMPLEMENTS_EQUALS =
-      const CompileTimeErrorCode(
-          'CONST_MAP_KEY_EXPRESSION_TYPE_IMPLEMENTS_EQUALS',
-          "The constant map entry key expression type '{0}' cannot override the == operator");
-
-  /**
-   * 5 Variables: A constant variable must be initialized to a compile-time
-   * constant (12.1) or a compile-time error occurs.
-   *
-   * Parameters:
-   * 0: the name of the uninitialized final variable
-   */
-  static const CompileTimeErrorCode CONST_NOT_INITIALIZED =
-      const CompileTimeErrorCode('CONST_NOT_INITIALIZED',
-          "The const variable '{0}' must be initialized");
-
-  /**
-   * 12.11.2 Const: An expression of one of the forms !e, e1 && e2 or e1 || e2,
-   * where e, e1 and e2 are constant expressions that evaluate to a boolean
-   * value.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_TYPE_BOOL =
-      const CompileTimeErrorCode('CONST_EVAL_TYPE_BOOL',
-          "In constant expressions, operand(s) of this operator must be of type 'bool'");
-
-  /**
-   * 12.11.2 Const: An expression of one of the forms e1 == e2 or e1 != e2 where
-   * e1 and e2 are constant expressions that evaluate to a numeric, string or
-   * boolean value or to null.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_TYPE_BOOL_NUM_STRING =
-      const CompileTimeErrorCode('CONST_EVAL_TYPE_BOOL_NUM_STRING',
-          "In constant expressions, operands of this operator must be of type 'bool', 'num', 'String' or 'null'");
-
-  /**
-   * 12.11.2 Const: An expression of one of the forms ~e, e1 ^ e2, e1 & e2,
-   * e1 | e2, e1 >> e2 or e1 << e2, where e, e1 and e2 are constant expressions
-   * that evaluate to an integer value or to null.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_TYPE_INT =
-      const CompileTimeErrorCode('CONST_EVAL_TYPE_INT',
-          "In constant expressions, operand(s) of this operator must be of type 'int'");
-
-  /**
-   * 12.11.2 Const: An expression of one of the forms e, e1 + e2, e1 - e2, e1 *
-   * e2, e1 / e2, e1 ~/ e2, e1 > e2, e1 < e2, e1 >= e2, e1 <= e2 or e1 % e2,
-   * where e, e1 and e2 are constant expressions that evaluate to a numeric
-   * value or to null.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_TYPE_NUM =
-      const CompileTimeErrorCode('CONST_EVAL_TYPE_NUM',
-          "In constant expressions, operand(s) of this operator must be of type 'num'");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_THROWS_EXCEPTION =
-      const CompileTimeErrorCode('CONST_EVAL_THROWS_EXCEPTION',
-          "Evaluation of this constant expression causes exception");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_THROWS_IDBZE =
-      const CompileTimeErrorCode('CONST_EVAL_THROWS_IDBZE',
-          "Evaluation of this constant expression throws IntegerDivisionByZeroException");
-
-  /**
-   * 12.11.2 Const: If <i>T</i> is a parameterized type <i>S&lt;U<sub>1</sub>,
-   * &hellip;, U<sub>m</sub>&gt;</i>, let <i>R = S</i>; It is a compile time
-   * error if <i>S</i> is not a generic type with <i>m</i> type parameters.
-   *
-   * Parameters:
-   * 0: the name of the type being referenced (<i>S</i>)
-   * 1: the number of type parameters that were declared
-   * 2: the number of type arguments provided
-   *
-   * See [CompileTimeErrorCode.NEW_WITH_INVALID_TYPE_PARAMETERS], and
-   * [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS].
-   */
-  static const CompileTimeErrorCode CONST_WITH_INVALID_TYPE_PARAMETERS =
-      const CompileTimeErrorCode('CONST_WITH_INVALID_TYPE_PARAMETERS',
-          "The type '{0}' is declared with {1} type parameters, but {2} type arguments were given");
-
-  /**
-   * 12.11.2 Const: If <i>e</i> is of the form <i>const T(a<sub>1</sub>,
-   * &hellip;, a<sub>n</sub>, x<sub>n+1</sub>: a<sub>n+1</sub>, &hellip;,
-   * x<sub>n+k</sub>: a<sub>n+k</sub>)</i> it is a compile-time error if the
-   * type <i>T</i> does not declare a constant constructor with the same name as
-   * the declaration of <i>T</i>.
-   */
-  static const CompileTimeErrorCode CONST_WITH_NON_CONST =
-      const CompileTimeErrorCode('CONST_WITH_NON_CONST',
-          "The constructor being called is not a 'const' constructor");
-
-  /**
-   * 12.11.2 Const: In all of the above cases, it is a compile-time error if
-   * <i>a<sub>i</sub>, 1 &lt;= i &lt;= n + k</i>, is not a compile-time constant
-   * expression.
-   */
-  static const CompileTimeErrorCode CONST_WITH_NON_CONSTANT_ARGUMENT =
-      const CompileTimeErrorCode('CONST_WITH_NON_CONSTANT_ARGUMENT',
-          "Arguments of a constant creation must be constant expressions");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if <i>T</i> is not a class
-   * accessible in the current scope, optionally followed by type arguments.
-   *
-   * 12.11.2 Const: If <i>e</i> is of the form <i>const T.id(a<sub>1</sub>,
-   * &hellip;, a<sub>n</sub>, x<sub>n+1</sub>: a<sub>n+1</sub>, &hellip;
-   * x<sub>n+k</sub>: a<sub>n+k</sub>)</i> it is a compile-time error if
-   * <i>T</i> is not a class accessible in the current scope, optionally
-   * followed by type arguments.
-   *
-   * Parameters:
-   * 0: the name of the non-type element
-   */
-  static const CompileTimeErrorCode CONST_WITH_NON_TYPE =
-      const CompileTimeErrorCode(
-          'CONST_WITH_NON_TYPE', "The name '{0}' is not a class");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if <i>T</i> includes any type
-   * parameters.
-   */
-  static const CompileTimeErrorCode CONST_WITH_TYPE_PARAMETERS =
-      const CompileTimeErrorCode('CONST_WITH_TYPE_PARAMETERS',
-          "The constant creation cannot use a type parameter");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if <i>T.id</i> is not the name of
-   * a constant constructor declared by the type <i>T</i>.
-   *
-   * Parameters:
-   * 0: the name of the type
-   * 1: the name of the requested constant constructor
-   */
-  static const CompileTimeErrorCode CONST_WITH_UNDEFINED_CONSTRUCTOR =
-      const CompileTimeErrorCode('CONST_WITH_UNDEFINED_CONSTRUCTOR',
-          "The class '{0}' does not have a constant constructor '{1}'");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if <i>T.id</i> is not the name of
-   * a constant constructor declared by the type <i>T</i>.
-   *
-   * Parameters:
-   * 0: the name of the type
-   */
-  static const CompileTimeErrorCode CONST_WITH_UNDEFINED_CONSTRUCTOR_DEFAULT =
-      const CompileTimeErrorCode('CONST_WITH_UNDEFINED_CONSTRUCTOR_DEFAULT',
-          "The class '{0}' does not have a default constant constructor");
-
-  /**
-   * 15.3.1 Typedef: It is a compile-time error if any default values are
-   * specified in the signature of a function type alias.
-   */
-  static const CompileTimeErrorCode DEFAULT_VALUE_IN_FUNCTION_TYPE_ALIAS =
-      const CompileTimeErrorCode('DEFAULT_VALUE_IN_FUNCTION_TYPE_ALIAS',
-          "Default values aren't allowed in typedefs");
-
-  /**
-   * 6.2.1 Required Formals: By means of a function signature that names the
-   * parameter and describes its type as a function type. It is a compile-time
-   * error if any default values are specified in the signature of such a
-   * function type.
-   */
-  static const CompileTimeErrorCode DEFAULT_VALUE_IN_FUNCTION_TYPED_PARAMETER =
-      const CompileTimeErrorCode('DEFAULT_VALUE_IN_FUNCTION_TYPED_PARAMETER',
-          "Default values aren't allowed in function type parameters");
-
-  /**
-   * 7.6.2 Factories: It is a compile-time error if <i>k</i> explicitly
-   * specifies a default value for an optional parameter.
-   */
-  static const CompileTimeErrorCode DEFAULT_VALUE_IN_REDIRECTING_FACTORY_CONSTRUCTOR =
-      const CompileTimeErrorCode(
-          'DEFAULT_VALUE_IN_REDIRECTING_FACTORY_CONSTRUCTOR',
-          "Default values aren't allowed in factory constructors that redirect to another constructor");
-
-  /**
-   * 3.1 Scoping: It is a compile-time error if there is more than one entity
-   * with the same name declared in the same scope.
-   */
-  static const CompileTimeErrorCode DUPLICATE_CONSTRUCTOR_DEFAULT =
-      const CompileTimeErrorCode('DUPLICATE_CONSTRUCTOR_DEFAULT',
-          "The default constructor is already defined");
-
-  /**
-   * 3.1 Scoping: It is a compile-time error if there is more than one entity
-   * with the same name declared in the same scope.
-   *
-   * Parameters:
-   * 0: the name of the duplicate entity
-   */
-  static const CompileTimeErrorCode DUPLICATE_CONSTRUCTOR_NAME =
-      const CompileTimeErrorCode('DUPLICATE_CONSTRUCTOR_NAME',
-          "The constructor with name '{0}' is already defined");
-
-  /**
-   * 3.1 Scoping: It is a compile-time error if there is more than one entity
-   * with the same name declared in the same scope.
-   *
-   * 7 Classes: It is a compile-time error if a class declares two members of
-   * the same name.
-   *
-   * 7 Classes: It is a compile-time error if a class has an instance member and
-   * a static member with the same name.
-   *
-   * Parameters:
-   * 0: the name of the duplicate entity
-   */
-  static const CompileTimeErrorCode DUPLICATE_DEFINITION =
-      const CompileTimeErrorCode(
-          'DUPLICATE_DEFINITION', "The name '{0}' is already defined");
-
-  /**
-   * 7. Classes: It is a compile-time error if a class has an instance member
-   * and a static member with the same name.
-   *
-   * This covers the additional duplicate definition cases where inheritance has
-   * to be considered.
-   *
-   * Parameters:
-   * 0: the name of the class that has conflicting instance/static members
-   * 1: the name of the conflicting members
-   *
-   * See [DUPLICATE_DEFINITION].
-   */
-  static const CompileTimeErrorCode DUPLICATE_DEFINITION_INHERITANCE =
-      const CompileTimeErrorCode('DUPLICATE_DEFINITION_INHERITANCE',
-          "The name '{0}' is already defined in '{1}'");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: It is a compile-time error if
-   * <i>q<sub>i</sub> = q<sub>j</sub></i> for any <i>i != j</i> [where
-   * <i>q<sub>i</sub></i> is the label for a named argument].
-   */
-  static const CompileTimeErrorCode DUPLICATE_NAMED_ARGUMENT =
-      const CompileTimeErrorCode('DUPLICATE_NAMED_ARGUMENT',
-          "The argument for the named parameter '{0}' was already specified");
-
-  /**
-   * SDK implementation libraries can be exported only by other SDK libraries.
-   *
-   * Parameters:
-   * 0: the uri pointing to a library
-   */
-  static const CompileTimeErrorCode EXPORT_INTERNAL_LIBRARY =
-      const CompileTimeErrorCode('EXPORT_INTERNAL_LIBRARY',
-          "The library '{0}' is internal and cannot be exported");
-
-  /**
-   * 14.2 Exports: It is a compile-time error if the compilation unit found at
-   * the specified URI is not a library declaration.
-   *
-   * Parameters:
-   * 0: the uri pointing to a non-library declaration
-   */
-  static const CompileTimeErrorCode EXPORT_OF_NON_LIBRARY =
-      const CompileTimeErrorCode('EXPORT_OF_NON_LIBRARY',
-          "The exported library '{0}' must not have a part-of directive");
-
-  /**
-   * Enum proposal: It is a compile-time error to subclass, mix-in or implement
-   * an enum.
-   */
-  static const CompileTimeErrorCode EXTENDS_ENUM = const CompileTimeErrorCode(
-      'EXTENDS_ENUM', "Classes cannot extend an enum");
-
-  /**
-   * 7.9 Superclasses: It is a compile-time error if the extends clause of a
-   * class <i>C</i> includes a type expression that does not denote a class
-   * available in the lexical scope of <i>C</i>.
-   *
-   * Parameters:
-   * 0: the name of the superclass that was not found
-   */
-  static const CompileTimeErrorCode EXTENDS_NON_CLASS =
-      const CompileTimeErrorCode(
-          'EXTENDS_NON_CLASS', "Classes can only extend other classes");
-
-  /**
-   * 12.2 Null: It is a compile-time error for a class to attempt to extend or
-   * implement Null.
-   *
-   * 12.3 Numbers: It is a compile-time error for a class to attempt to extend
-   * or implement int.
-   *
-   * 12.3 Numbers: It is a compile-time error for a class to attempt to extend
-   * or implement double.
-   *
-   * 12.3 Numbers: It is a compile-time error for any type other than the types
-   * int and double to
-   * attempt to extend or implement num.
-   *
-   * 12.4 Booleans: It is a compile-time error for a class to attempt to extend
-   * or implement bool.
-   *
-   * 12.5 Strings: It is a compile-time error for a class to attempt to extend
-   * or implement String.
-   *
-   * Parameters:
-   * 0: the name of the type that cannot be extended
-   *
-   * See [IMPLEMENTS_DISALLOWED_CLASS].
-   */
-  static const CompileTimeErrorCode EXTENDS_DISALLOWED_CLASS =
-      const CompileTimeErrorCode(
-          'EXTENDS_DISALLOWED_CLASS', "Classes cannot extend '{0}'");
-
-  /**
-   * 7.9 Superclasses: It is a compile-time error if the extends clause of a
-   * class <i>C</i> includes a deferred type expression.
-   *
-   * Parameters:
-   * 0: the name of the type that cannot be extended
-   *
-   * See [IMPLEMENTS_DEFERRED_CLASS], and [MIXIN_DEFERRED_CLASS].
-   */
-  static const CompileTimeErrorCode EXTENDS_DEFERRED_CLASS =
-      const CompileTimeErrorCode('EXTENDS_DEFERRED_CLASS',
-          "This class cannot extend the deferred class '{0}'");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: It is a static warning if <i>m &lt;
-   * h</i> or if <i>m &gt; n</i>.
-   *
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   *
-   * Parameters:
-   * 0: the maximum number of positional arguments
-   * 1: the actual number of positional arguments given
-   */
-  static const CompileTimeErrorCode EXTRA_POSITIONAL_ARGUMENTS =
-      const CompileTimeErrorCode('EXTRA_POSITIONAL_ARGUMENTS',
-          "{0} positional arguments expected, but {1} found");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>k</i> be a generative constructor. It
-   * is a compile time error if more than one initializer corresponding to a
-   * given instance variable appears in <i>k</i>'s list.
-   */
-  static const CompileTimeErrorCode FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS =
-      const CompileTimeErrorCode('FIELD_INITIALIZED_BY_MULTIPLE_INITIALIZERS',
-          "The field '{0}' cannot be initialized twice in the same constructor");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>k</i> be a generative constructor. It
-   * is a compile time error if <i>k</i>'s initializer list contains an
-   * initializer for a variable that is initialized by means of an initializing
-   * formal of <i>k</i>.
-   */
-  static const CompileTimeErrorCode FIELD_INITIALIZED_IN_PARAMETER_AND_INITIALIZER =
-      const CompileTimeErrorCode(
-          'FIELD_INITIALIZED_IN_PARAMETER_AND_INITIALIZER',
-          "Fields cannot be initialized in both the parameter list and the initializers");
-
-  /**
-   * 5 Variables: It is a compile-time error if a final instance variable that
-   * has is initialized by means of an initializing formal of a constructor is
-   * also initialized elsewhere in the same constructor.
-   *
-   * Parameters:
-   * 0: the name of the field in question
-   */
-  static const CompileTimeErrorCode FINAL_INITIALIZED_MULTIPLE_TIMES =
-      const CompileTimeErrorCode('FINAL_INITIALIZED_MULTIPLE_TIMES',
-          "'{0}' is a final field and so can only be set once");
-
-  /**
-   * 7.6.1 Generative Constructors: It is a compile-time error if an
-   * initializing formal is used by a function other than a non-redirecting
-   * generative constructor.
-   */
-  static const CompileTimeErrorCode FIELD_INITIALIZER_FACTORY_CONSTRUCTOR =
-      const CompileTimeErrorCode('FIELD_INITIALIZER_FACTORY_CONSTRUCTOR',
-          "Initializing formal fields cannot be used in factory constructors");
-
-  /**
-   * 7.6.1 Generative Constructors: It is a compile-time error if an
-   * initializing formal is used by a function other than a non-redirecting
-   * generative constructor.
-   */
-  static const CompileTimeErrorCode FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR =
-      const CompileTimeErrorCode('FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR',
-          "Initializing formal fields can only be used in constructors");
-
-  /**
-   * 7.6.1 Generative Constructors: A generative constructor may be redirecting,
-   * in which case its only action is to invoke another generative constructor.
-   *
-   * 7.6.1 Generative Constructors: It is a compile-time error if an
-   * initializing formal is used by a function other than a non-redirecting
-   * generative constructor.
-   */
-  static const CompileTimeErrorCode FIELD_INITIALIZER_REDIRECTING_CONSTRUCTOR =
-      const CompileTimeErrorCode('FIELD_INITIALIZER_REDIRECTING_CONSTRUCTOR',
-          "The redirecting constructor cannot have a field initializer");
-
-  /**
-   * 7.2 Getters: It is a compile-time error if a class has both a getter and a
-   * method with the same name.
-   *
-   * Parameters:
-   * 0: the conflicting name of the getter and method
-   */
-  static const CompileTimeErrorCode GETTER_AND_METHOD_WITH_SAME_NAME =
-      const CompileTimeErrorCode('GETTER_AND_METHOD_WITH_SAME_NAME',
-          "'{0}' cannot be used to name a getter, there is already a method with the same name");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the implements clause
-   * of a class <i>C</i> specifies a malformed type or deferred type as a
-   * superinterface.
-   *
-   * Parameters:
-   * 0: the name of the type that cannot be extended
-   *
-   * See [EXTENDS_DEFERRED_CLASS], and [MIXIN_DEFERRED_CLASS].
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_DEFERRED_CLASS =
-      const CompileTimeErrorCode('IMPLEMENTS_DEFERRED_CLASS',
-          "This class cannot implement the deferred class '{0}'");
-
-  /**
-   * 12.2 Null: It is a compile-time error for a class to attempt to extend or
-   * implement Null.
-   *
-   * 12.3 Numbers: It is a compile-time error for a class to attempt to extend
-   * or implement int.
-   *
-   * 12.3 Numbers: It is a compile-time error for a class to attempt to extend
-   * or implement double.
-   *
-   * 12.3 Numbers: It is a compile-time error for any type other than the types
-   * int and double to
-   * attempt to extend or implement num.
-   *
-   * 12.4 Booleans: It is a compile-time error for a class to attempt to extend
-   * or implement bool.
-   *
-   * 12.5 Strings: It is a compile-time error for a class to attempt to extend
-   * or implement String.
-   *
-   * Parameters:
-   * 0: the name of the type that cannot be implemented
-   *
-   * See [EXTENDS_DISALLOWED_CLASS].
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_DISALLOWED_CLASS =
-      const CompileTimeErrorCode(
-          'IMPLEMENTS_DISALLOWED_CLASS', "Classes cannot implement '{0}'");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the implements clause
-   * of a class includes type dynamic.
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_DYNAMIC =
-      const CompileTimeErrorCode(
-          'IMPLEMENTS_DYNAMIC', "Classes cannot implement 'dynamic'");
-
-  /**
-   * Enum proposal: It is a compile-time error to subclass, mix-in or implement
-   * an enum.
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_ENUM =
-      const CompileTimeErrorCode(
-          'IMPLEMENTS_ENUM', "Classes cannot implement an enum");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the implements clause
-   * of a class <i>C</i> includes a type expression that does not denote a class
-   * available in the lexical scope of <i>C</i>.
-   *
-   * Parameters:
-   * 0: the name of the interface that was not found
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_NON_CLASS =
-      const CompileTimeErrorCode(
-          'IMPLEMENTS_NON_CLASS', "Classes can only implement other classes");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if a type <i>T</i> appears
-   * more than once in the implements clause of a class.
-   *
-   * Parameters:
-   * 0: the name of the class that is implemented more than once
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_REPEATED =
-      const CompileTimeErrorCode(
-          'IMPLEMENTS_REPEATED', "'{0}' can only be implemented once");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the superclass of a
-   * class <i>C</i> appears in the implements clause of <i>C</i>.
-   *
-   * Parameters:
-   * 0: the name of the class that appears in both "extends" and "implements"
-   *    clauses
-   */
-  static const CompileTimeErrorCode IMPLEMENTS_SUPER_CLASS =
-      const CompileTimeErrorCode('IMPLEMENTS_SUPER_CLASS',
-          "'{0}' cannot be used in both 'extends' and 'implements' clauses");
-
-  /**
-   * 7.6.1 Generative Constructors: Note that <b>this</b> is not in scope on the
-   * right hand side of an initializer.
-   *
-   * 12.10 This: It is a compile-time error if this appears in a top-level
-   * function or variable initializer, in a factory constructor, or in a static
-   * method or variable initializer, or in the initializer of an instance
-   * variable.
-   *
-   * Parameters:
-   * 0: the name of the type in question
-   */
-  static const CompileTimeErrorCode IMPLICIT_THIS_REFERENCE_IN_INITIALIZER =
-      const CompileTimeErrorCode('IMPLICIT_THIS_REFERENCE_IN_INITIALIZER',
-          "Only static members can be accessed in initializers");
-
-  /**
-   * SDK implementation libraries can be imported only by other SDK libraries.
-   *
-   * Parameters:
-   * 0: the uri pointing to a library
-   */
-  static const CompileTimeErrorCode IMPORT_INTERNAL_LIBRARY =
-      const CompileTimeErrorCode('IMPORT_INTERNAL_LIBRARY',
-          "The library '{0}' is internal and cannot be imported");
-
-  /**
-   * 14.1 Imports: It is a compile-time error if the specified URI of an
-   * immediate import does not refer to a library declaration.
-   *
-   * Parameters:
-   * 0: the uri pointing to a non-library declaration
-   *
-   * See [StaticWarningCode.IMPORT_OF_NON_LIBRARY].
-   */
-  static const CompileTimeErrorCode IMPORT_OF_NON_LIBRARY =
-      const CompileTimeErrorCode('IMPORT_OF_NON_LIBRARY',
-          "The imported library '{0}' must not have a part-of directive");
-
-  /**
-   * 13.9 Switch: It is a compile-time error if values of the expressions
-   * <i>e<sub>k</sub></i> are not instances of the same class <i>C</i>, for all
-   * <i>1 &lt;= k &lt;= n</i>.
-   *
-   * Parameters:
-   * 0: the expression source code that is the unexpected type
-   * 1: the name of the expected type
-   */
-  static const CompileTimeErrorCode INCONSISTENT_CASE_EXPRESSION_TYPES =
-      const CompileTimeErrorCode('INCONSISTENT_CASE_EXPRESSION_TYPES',
-          "Case expressions must have the same types, '{0}' is not a '{1}'");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>k</i> be a generative constructor. It
-   * is a compile-time error if <i>k</i>'s initializer list contains an
-   * initializer for a variable that is not an instance variable declared in the
-   * immediately surrounding class.
-   *
-   * Parameters:
-   * 0: the name of the initializing formal that is not an instance variable in
-   *    the immediately enclosing class
-   *
-   * See [INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD].
-   */
-  static const CompileTimeErrorCode INITIALIZER_FOR_NON_EXISTENT_FIELD =
-      const CompileTimeErrorCode('INITIALIZER_FOR_NON_EXISTENT_FIELD',
-          "'{0}' is not a variable in the enclosing class");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>k</i> be a generative constructor. It
-   * is a compile-time error if <i>k</i>'s initializer list contains an
-   * initializer for a variable that is not an instance variable declared in the
-   * immediately surrounding class.
-   *
-   * Parameters:
-   * 0: the name of the initializing formal that is a static variable in the
-   *    immediately enclosing class
-   *
-   * See [INITIALIZING_FORMAL_FOR_STATIC_FIELD].
-   */
-  static const CompileTimeErrorCode INITIALIZER_FOR_STATIC_FIELD =
-      const CompileTimeErrorCode('INITIALIZER_FOR_STATIC_FIELD',
-          "'{0}' is a static variable in the enclosing class, variables initialized in a constructor cannot be static");
-
-  /**
-   * 7.6.1 Generative Constructors: An initializing formal has the form
-   * <i>this.id</i>. It is a compile-time error if <i>id</i> is not the name of
-   * an instance variable of the immediately enclosing class.
-   *
-   * Parameters:
-   * 0: the name of the initializing formal that is not an instance variable in
-   *    the immediately enclosing class
-   *
-   * See [INITIALIZING_FORMAL_FOR_STATIC_FIELD], and
-   * [INITIALIZER_FOR_NON_EXISTENT_FIELD].
-   */
-  static const CompileTimeErrorCode INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD =
-      const CompileTimeErrorCode('INITIALIZING_FORMAL_FOR_NON_EXISTENT_FIELD',
-          "'{0}' is not a variable in the enclosing class");
-
-  /**
-   * 7.6.1 Generative Constructors: An initializing formal has the form
-   * <i>this.id</i>. It is a compile-time error if <i>id</i> is not the name of
-   * an instance variable of the immediately enclosing class.
-   *
-   * Parameters:
-   * 0: the name of the initializing formal that is a static variable in the
-   *    immediately enclosing class
-   *
-   * See [INITIALIZER_FOR_STATIC_FIELD].
-   */
-  static const CompileTimeErrorCode INITIALIZING_FORMAL_FOR_STATIC_FIELD =
-      const CompileTimeErrorCode('INITIALIZING_FORMAL_FOR_STATIC_FIELD',
-          "'{0}' is a static field in the enclosing class, fields initialized in a constructor cannot be static");
-
-  /**
-   * 12.30 Identifier Reference: Otherwise, e is equivalent to the property
-   * extraction <b>this</b>.<i>id</i>.
-   */
-  static const CompileTimeErrorCode INSTANCE_MEMBER_ACCESS_FROM_FACTORY =
-      const CompileTimeErrorCode('INSTANCE_MEMBER_ACCESS_FROM_FACTORY',
-          "Instance members cannot be accessed from a factory constructor");
-
-  /**
-   * 12.30 Identifier Reference: Otherwise, e is equivalent to the property
-   * extraction <b>this</b>.<i>id</i>.
-   */
-  static const CompileTimeErrorCode INSTANCE_MEMBER_ACCESS_FROM_STATIC =
-      const CompileTimeErrorCode('INSTANCE_MEMBER_ACCESS_FROM_STATIC',
-          "Instance members cannot be accessed from a static method");
-
-  /**
-   * Enum proposal: It is also a compile-time error to explicitly instantiate an
-   * enum via 'new' or 'const' or to access its private fields.
-   */
-  static const CompileTimeErrorCode INSTANTIATE_ENUM =
-      const CompileTimeErrorCode(
-          'INSTANTIATE_ENUM', "Enums cannot be instantiated");
-
-  /**
-   * 11 Metadata: Metadata consists of a series of annotations, each of which
-   * begin with the character @, followed by a constant expression that must be
-   * either a reference to a compile-time constant variable, or a call to a
-   * constant constructor.
-   */
-  static const CompileTimeErrorCode INVALID_ANNOTATION = const CompileTimeErrorCode(
-      'INVALID_ANNOTATION',
-      "Annotation can be only constant variable or constant constructor invocation");
-
-  /**
-   * 11 Metadata: Metadata consists of a series of annotations, each of which
-   * begin with the character @, followed by a constant expression that must be
-   * either a reference to a compile-time constant variable, or a call to a
-   * constant constructor.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode INVALID_ANNOTATION_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode('INVALID_ANNOTATION_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as annotations");
-
-  /**
-   * 15.31 Identifier Reference: It is a compile-time error if any of the
-   * identifiers async, await or yield is used as an identifier in a function
-   * body marked with either async, async* or sync*.
-   */
-  static const CompileTimeErrorCode INVALID_IDENTIFIER_IN_ASYNC =
-      const CompileTimeErrorCode('INVALID_IDENTIFIER_IN_ASYNC',
-          "The identifier '{0}' cannot be used in a function marked with async, async* or sync*");
-
-  /**
-   * 9. Functions: It is a compile-time error if an async, async* or sync*
-   * modifier is attached to the body of a setter or constructor.
-   */
-  static const CompileTimeErrorCode INVALID_MODIFIER_ON_CONSTRUCTOR =
-      const CompileTimeErrorCode('INVALID_MODIFIER_ON_CONSTRUCTOR',
-          "The modifier '{0}' cannot be applied to the body of a constructor");
-
-  /**
-   * 9. Functions: It is a compile-time error if an async, async* or sync*
-   * modifier is attached to the body of a setter or constructor.
-   */
-  static const CompileTimeErrorCode INVALID_MODIFIER_ON_SETTER =
-      const CompileTimeErrorCode('INVALID_MODIFIER_ON_SETTER',
-          "The modifier '{0}' cannot be applied to the body of a setter");
-
-  /**
-   * TODO(brianwilkerson) Remove this when we have decided on how to report
-   * errors in compile-time constants. Until then, this acts as a placeholder
-   * for more informative errors.
-   *
-   * See TODOs in ConstantVisitor
-   */
-  static const CompileTimeErrorCode INVALID_CONSTANT =
-      const CompileTimeErrorCode('INVALID_CONSTANT', "Invalid constant value");
-
-  /**
-   * 7.6 Constructors: It is a compile-time error if the name of a constructor
-   * is not a constructor name.
-   */
-  static const CompileTimeErrorCode INVALID_CONSTRUCTOR_NAME =
-      const CompileTimeErrorCode(
-          'INVALID_CONSTRUCTOR_NAME', "Invalid constructor name");
-
-  /**
-   * 7.6.2 Factories: It is a compile-time error if <i>M</i> is not the name of
-   * the immediately enclosing class.
-   */
-  static const CompileTimeErrorCode INVALID_FACTORY_NAME_NOT_A_CLASS =
-      const CompileTimeErrorCode('INVALID_FACTORY_NAME_NOT_A_CLASS',
-          "The name of the immediately enclosing class expected");
-
-  /**
-   * 12.10 This: It is a compile-time error if this appears in a top-level
-   * function or variable initializer, in a factory constructor, or in a static
-   * method or variable initializer, or in the initializer of an instance
-   * variable.
-   */
-  static const CompileTimeErrorCode INVALID_REFERENCE_TO_THIS =
-      const CompileTimeErrorCode('INVALID_REFERENCE_TO_THIS',
-          "Invalid reference to 'this' expression");
-
-  /**
-   * 12.6 Lists: It is a compile time error if the type argument of a constant
-   * list literal includes a type parameter.
-   *
-   * Parameters:
-   * 0: the name of the type parameter
-   */
-  static const CompileTimeErrorCode INVALID_TYPE_ARGUMENT_IN_CONST_LIST =
-      const CompileTimeErrorCode('INVALID_TYPE_ARGUMENT_IN_CONST_LIST',
-          "Constant list literals cannot include a type parameter as a type argument, such as '{0}'");
-
-  /**
-   * 12.7 Maps: It is a compile time error if the type arguments of a constant
-   * map literal include a type parameter.
-   *
-   * Parameters:
-   * 0: the name of the type parameter
-   */
-  static const CompileTimeErrorCode INVALID_TYPE_ARGUMENT_IN_CONST_MAP =
-      const CompileTimeErrorCode('INVALID_TYPE_ARGUMENT_IN_CONST_MAP',
-          "Constant map literals cannot include a type parameter as a type argument, such as '{0}'");
-
-  /**
-   * 14.2 Exports: It is a compile-time error if the compilation unit found at
-   * the specified URI is not a library declaration.
-   *
-   * 14.1 Imports: It is a compile-time error if the compilation unit found at
-   * the specified URI is not a library declaration.
-   *
-   * 14.3 Parts: It is a compile time error if the contents of the URI are not a
-   * valid part declaration.
-   *
-   * Parameters:
-   * 0: the URI that is invalid
-   *
-   * See [URI_DOES_NOT_EXIST].
-   */
-  static const CompileTimeErrorCode INVALID_URI =
-      const CompileTimeErrorCode('INVALID_URI', "Invalid URI syntax: '{0}'");
-
-  /**
-   * 13.13 Break: It is a compile-time error if no such statement
-   * <i>s<sub>E</sub></i> exists within the innermost function in which
-   * <i>s<sub>b</sub></i> occurs.
-   *
-   * 13.14 Continue: It is a compile-time error if no such statement or case
-   * clause <i>s<sub>E</sub></i> exists within the innermost function in which
-   * <i>s<sub>c</sub></i> occurs.
-   *
-   * Parameters:
-   * 0: the name of the unresolvable label
-   */
-  static const CompileTimeErrorCode LABEL_IN_OUTER_SCOPE =
-      const CompileTimeErrorCode('LABEL_IN_OUTER_SCOPE',
-          "Cannot reference label '{0}' declared in an outer method");
-
-  /**
-   * 13.13 Break: It is a compile-time error if no such statement
-   * <i>s<sub>E</sub></i> exists within the innermost function in which
-   * <i>s<sub>b</sub></i> occurs.
-   *
-   * 13.14 Continue: It is a compile-time error if no such statement or case
-   * clause <i>s<sub>E</sub></i> exists within the innermost function in which
-   * <i>s<sub>c</sub></i> occurs.
-   *
-   * Parameters:
-   * 0: the name of the unresolvable label
-   */
-  static const CompileTimeErrorCode LABEL_UNDEFINED =
-      const CompileTimeErrorCode(
-          'LABEL_UNDEFINED', "Cannot reference undefined label '{0}'");
-
-  /**
-   * 7 Classes: It is a compile time error if a class <i>C</i> declares a member
-   * with the same name as <i>C</i>.
-   */
-  static const CompileTimeErrorCode MEMBER_WITH_CLASS_NAME =
-      const CompileTimeErrorCode('MEMBER_WITH_CLASS_NAME',
-          "Class members cannot have the same name as the enclosing class");
-
-  /**
-   * 7.2 Getters: It is a compile-time error if a class has both a getter and a
-   * method with the same name.
-   *
-   * Parameters:
-   * 0: the conflicting name of the getter and method
-   */
-  static const CompileTimeErrorCode METHOD_AND_GETTER_WITH_SAME_NAME =
-      const CompileTimeErrorCode('METHOD_AND_GETTER_WITH_SAME_NAME',
-          "'{0}' cannot be used to name a method, there is already a getter with the same name");
-
-  /**
-   * 12.1 Constants: A constant expression is ... a constant list literal.
-   */
-  static const CompileTimeErrorCode MISSING_CONST_IN_LIST_LITERAL =
-      const CompileTimeErrorCode('MISSING_CONST_IN_LIST_LITERAL',
-          "List literals must be prefixed with 'const' when used as a constant expression");
-
-  /**
-   * 12.1 Constants: A constant expression is ... a constant map literal.
-   */
-  static const CompileTimeErrorCode MISSING_CONST_IN_MAP_LITERAL =
-      const CompileTimeErrorCode('MISSING_CONST_IN_MAP_LITERAL',
-          "Map literals must be prefixed with 'const' when used as a constant expression");
-
-  /**
-   * Enum proposal: It is a static warning if all of the following conditions
-   * hold:
-   * * The switch statement does not have a 'default' clause.
-   * * The static type of <i>e</i> is an enumerated typed with elements
-   *   <i>id<sub>1</sub></i>, &hellip;, <i>id<sub>n</sub></i>.
-   * * The sets {<i>e<sub>1</sub></i>, &hellip;, <i>e<sub>k</sub></i>} and
-   *   {<i>id<sub>1</sub></i>, &hellip;, <i>id<sub>n</sub></i>} are not the
-   *   same.
-   *
-   * Parameters:
-   * 0: the name of the constant that is missing
-   */
-  static const CompileTimeErrorCode MISSING_ENUM_CONSTANT_IN_SWITCH =
-      const CompileTimeErrorCode(
-          'MISSING_ENUM_CONSTANT_IN_SWITCH',
-          "Missing case clause for '{0}'",
-          "Add a case clause for the missing constant or add a default clause.");
-
-  /**
-   * 9 Mixins: It is a compile-time error if a declared or derived mixin
-   * explicitly declares a constructor.
-   *
-   * Parameters:
-   * 0: the name of the mixin that is invalid
-   */
-  static const CompileTimeErrorCode MIXIN_DECLARES_CONSTRUCTOR =
-      const CompileTimeErrorCode('MIXIN_DECLARES_CONSTRUCTOR',
-          "The class '{0}' cannot be used as a mixin because it declares a constructor");
-
-  /**
-   * 9.1 Mixin Application: It is a compile-time error if the with clause of a
-   * mixin application <i>C</i> includes a deferred type expression.
-   *
-   * Parameters:
-   * 0: the name of the type that cannot be extended
-   *
-   * See [EXTENDS_DEFERRED_CLASS], and [IMPLEMENTS_DEFERRED_CLASS].
-   */
-  static const CompileTimeErrorCode MIXIN_DEFERRED_CLASS =
-      const CompileTimeErrorCode('MIXIN_DEFERRED_CLASS',
-          "This class cannot mixin the deferred class '{0}'");
-
-  /**
-   * Not yet in the spec, but consistent with VM behavior.  It is a
-   * compile-time error if all of the constructors of a mixin's base class have
-   * at least one optional parameter (since only constructors that lack
-   * optional parameters can be forwarded to the mixin).  See
-   * https://code.google.com/p/dart/issues/detail?id=15101#c4
-   */
-  static const CompileTimeErrorCode MIXIN_HAS_NO_CONSTRUCTORS =
-      const CompileTimeErrorCode(
-          'MIXIN_HAS_NO_CONSTRUCTORS',
-          "This mixin application is invalid because all of the constructors "
-          "in the base class '{0}' have optional parameters.");
-
-  /**
-   * 9 Mixins: It is a compile-time error if a mixin is derived from a class
-   * whose superclass is not Object.
-   *
-   * Parameters:
-   * 0: the name of the mixin that is invalid
-   */
-  static const CompileTimeErrorCode MIXIN_INHERITS_FROM_NOT_OBJECT =
-      const CompileTimeErrorCode('MIXIN_INHERITS_FROM_NOT_OBJECT',
-          "The class '{0}' cannot be used as a mixin because it extends a class other than Object");
-
-  /**
-   * 12.2 Null: It is a compile-time error for a class to attempt to extend or
-   * implement Null.
-   *
-   * 12.3 Numbers: It is a compile-time error for a class to attempt to extend
-   * or implement int.
-   *
-   * 12.3 Numbers: It is a compile-time error for a class to attempt to extend
-   * or implement double.
-   *
-   * 12.3 Numbers: It is a compile-time error for any type other than the types
-   * int and double to attempt to extend or implement num.
-   *
-   * 12.4 Booleans: It is a compile-time error for a class to attempt to extend
-   * or implement bool.
-   *
-   * 12.5 Strings: It is a compile-time error for a class to attempt to extend
-   * or implement String.
-   *
-   * Parameters:
-   * 0: the name of the type that cannot be extended
-   *
-   * See [IMPLEMENTS_DISALLOWED_CLASS].
-   */
-  static const CompileTimeErrorCode MIXIN_OF_DISALLOWED_CLASS =
-      const CompileTimeErrorCode(
-          'MIXIN_OF_DISALLOWED_CLASS', "Classes cannot mixin '{0}'");
-
-  /**
-   * Enum proposal: It is a compile-time error to subclass, mix-in or implement
-   * an enum.
-   */
-  static const CompileTimeErrorCode MIXIN_OF_ENUM = const CompileTimeErrorCode(
-      'MIXIN_OF_ENUM', "Classes cannot mixin an enum");
-
-  /**
-   * 9.1 Mixin Application: It is a compile-time error if <i>M</i> does not
-   * denote a class or mixin available in the immediately enclosing scope.
-   */
-  static const CompileTimeErrorCode MIXIN_OF_NON_CLASS =
-      const CompileTimeErrorCode(
-          'MIXIN_OF_NON_CLASS', "Classes can only mixin other classes");
-
-  /**
-   * 9 Mixins: It is a compile-time error if a declared or derived mixin refers
-   * to super.
-   */
-  static const CompileTimeErrorCode MIXIN_REFERENCES_SUPER =
-      const CompileTimeErrorCode('MIXIN_REFERENCES_SUPER',
-          "The class '{0}' cannot be used as a mixin because it references 'super'");
-
-  /**
-   * 9.1 Mixin Application: It is a compile-time error if <i>S</i> does not
-   * denote a class available in the immediately enclosing scope.
-   */
-  static const CompileTimeErrorCode MIXIN_WITH_NON_CLASS_SUPERCLASS =
-      const CompileTimeErrorCode('MIXIN_WITH_NON_CLASS_SUPERCLASS',
-          "Mixin can only be applied to class");
-
-  /**
-   * 7.6.1 Generative Constructors: A generative constructor may be redirecting,
-   * in which case its only action is to invoke another generative constructor.
-   */
-  static const CompileTimeErrorCode MULTIPLE_REDIRECTING_CONSTRUCTOR_INVOCATIONS =
-      const CompileTimeErrorCode('MULTIPLE_REDIRECTING_CONSTRUCTOR_INVOCATIONS',
-          "Constructor may have at most one 'this' redirection");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>k</i> be a generative constructor.
-   * Then <i>k</i> may include at most one superinitializer in its initializer
-   * list or a compile time error occurs.
-   */
-  static const CompileTimeErrorCode MULTIPLE_SUPER_INITIALIZERS =
-      const CompileTimeErrorCode('MULTIPLE_SUPER_INITIALIZERS',
-          "Constructor may have at most one 'super' initializer");
-
-  /**
-   * 11 Metadata: Metadata consists of a series of annotations, each of which
-   * begin with the character @, followed by a constant expression that must be
-   * either a reference to a compile-time constant variable, or a call to a
-   * constant constructor.
-   */
-  static const CompileTimeErrorCode NO_ANNOTATION_CONSTRUCTOR_ARGUMENTS =
-      const CompileTimeErrorCode('NO_ANNOTATION_CONSTRUCTOR_ARGUMENTS',
-          "Annotation creation must have arguments");
-
-  /**
-   * 7.6.1 Generative Constructors: If no superinitializer is provided, an
-   * implicit superinitializer of the form <b>super</b>() is added at the end of
-   * <i>k</i>'s initializer list, unless the enclosing class is class
-   * <i>Object</i>.
-   *
-   * 7.6.1 Generative constructors. It is a compile-time error if class <i>S</i>
-   * does not declare a generative constructor named <i>S</i> (respectively
-   * <i>S.id</i>)
-   */
-  static const CompileTimeErrorCode NO_DEFAULT_SUPER_CONSTRUCTOR_EXPLICIT =
-      const CompileTimeErrorCode('NO_DEFAULT_SUPER_CONSTRUCTOR_EXPLICIT',
-          "The class '{0}' does not have a default constructor");
-
-  /**
-   * 7.6 Constructors: Iff no constructor is specified for a class <i>C</i>, it
-   * implicitly has a default constructor C() : <b>super<b>() {}, unless
-   * <i>C</i> is class <i>Object</i>.
-   *
-   * 7.6.1 Generative constructors. It is a compile-time error if class <i>S</i>
-   * does not declare a generative constructor named <i>S</i> (respectively
-   * <i>S.id</i>)
-   */
-  static const CompileTimeErrorCode NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT =
-      const CompileTimeErrorCode('NO_DEFAULT_SUPER_CONSTRUCTOR_IMPLICIT',
-          "The class '{0}' does not have a default constructor");
-
-  /**
-   * 13.2 Expression Statements: It is a compile-time error if a non-constant
-   * map literal that has no explicit type arguments appears in a place where a
-   * statement is expected.
-   */
-  static const CompileTimeErrorCode NON_CONST_MAP_AS_EXPRESSION_STATEMENT =
-      const CompileTimeErrorCode('NON_CONST_MAP_AS_EXPRESSION_STATEMENT',
-          "A non-constant map literal without type arguments cannot be used as an expression statement");
-
-  /**
-   * 13.9 Switch: Given a switch statement of the form <i>switch (e) {
-   * label<sub>11</sub> &hellip; label<sub>1j1</sub> case e<sub>1</sub>:
-   * s<sub>1</sub> &hellip; label<sub>n1</sub> &hellip; label<sub>njn</sub> case
-   * e<sub>n</sub>: s<sub>n</sub> default: s<sub>n+1</sub>}</i> or the form
-   * <i>switch (e) { label<sub>11</sub> &hellip; label<sub>1j1</sub> case
-   * e<sub>1</sub>: s<sub>1</sub> &hellip; label<sub>n1</sub> &hellip;
-   * label<sub>njn</sub> case e<sub>n</sub>: s<sub>n</sub>}</i>, it is a
-   * compile-time error if the expressions <i>e<sub>k</sub></i> are not
-   * compile-time constants, for all <i>1 &lt;= k &lt;= n</i>.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_CASE_EXPRESSION =
-      const CompileTimeErrorCode(
-          'NON_CONSTANT_CASE_EXPRESSION', "Case expressions must be constant");
-
-  /**
-   * 13.9 Switch: Given a switch statement of the form <i>switch (e) {
-   * label<sub>11</sub> &hellip; label<sub>1j1</sub> case e<sub>1</sub>:
-   * s<sub>1</sub> &hellip; label<sub>n1</sub> &hellip; label<sub>njn</sub> case
-   * e<sub>n</sub>: s<sub>n</sub> default: s<sub>n+1</sub>}</i> or the form
-   * <i>switch (e) { label<sub>11</sub> &hellip; label<sub>1j1</sub> case
-   * e<sub>1</sub>: s<sub>1</sub> &hellip; label<sub>n1</sub> &hellip;
-   * label<sub>njn</sub> case e<sub>n</sub>: s<sub>n</sub>}</i>, it is a
-   * compile-time error if the expressions <i>e<sub>k</sub></i> are not
-   * compile-time constants, for all <i>1 &lt;= k &lt;= n</i>.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_CASE_EXPRESSION_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode(
-          'NON_CONSTANT_CASE_EXPRESSION_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as a case expression");
-
-  /**
-   * 6.2.2 Optional Formals: It is a compile-time error if the default value of
-   * an optional parameter is not a compile-time constant.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_DEFAULT_VALUE =
-      const CompileTimeErrorCode('NON_CONSTANT_DEFAULT_VALUE',
-          "Default values of an optional parameter must be constant");
-
-  /**
-   * 6.2.2 Optional Formals: It is a compile-time error if the default value of
-   * an optional parameter is not a compile-time constant.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_DEFAULT_VALUE_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode(
-          'NON_CONSTANT_DEFAULT_VALUE_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as a default parameter value");
-
-  /**
-   * 12.6 Lists: It is a compile time error if an element of a constant list
-   * literal is not a compile-time constant.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_LIST_ELEMENT =
-      const CompileTimeErrorCode('NON_CONSTANT_LIST_ELEMENT',
-          "'const' lists must have all constant values");
-
-  /**
-   * 12.6 Lists: It is a compile time error if an element of a constant list
-   * literal is not a compile-time constant.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_LIST_ELEMENT_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode(
-          'NON_CONSTANT_LIST_ELEMENT_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as values in a 'const' list");
-
-  /**
-   * 12.7 Maps: It is a compile time error if either a key or a value of an
-   * entry in a constant map literal is not a compile-time constant.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_MAP_KEY =
-      const CompileTimeErrorCode(
-          'NON_CONSTANT_MAP_KEY', "The keys in a map must be constant");
-
-  /**
-   * 12.7 Maps: It is a compile time error if either a key or a value of an
-   * entry in a constant map literal is not a compile-time constant.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_MAP_KEY_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode('NON_CONSTANT_MAP_KEY_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as keys in a map");
-
-  /**
-   * 12.7 Maps: It is a compile time error if either a key or a value of an
-   * entry in a constant map literal is not a compile-time constant.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_MAP_VALUE =
-      const CompileTimeErrorCode('NON_CONSTANT_MAP_VALUE',
-          "The values in a 'const' map must be constant");
-
-  /**
-   * 12.7 Maps: It is a compile time error if either a key or a value of an
-   * entry in a constant map literal is not a compile-time constant.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_MAP_VALUE_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode('NON_CONSTANT_MAP_VALUE_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as values in a 'const' map");
-
-  /**
-   * 11 Metadata: Metadata consists of a series of annotations, each of which
-   * begin with the character @, followed by a constant expression that must be
-   * either a reference to a compile-time constant variable, or a call to a
-   * constant constructor.
-   *
-   * "From deferred library" case is covered by
-   * [CompileTimeErrorCode.INVALID_ANNOTATION_FROM_DEFERRED_LIBRARY].
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_ANNOTATION_CONSTRUCTOR =
-      const CompileTimeErrorCode('NON_CONSTANT_ANNOTATION_CONSTRUCTOR',
-          "Annotation creation can use only 'const' constructor");
-
-  /**
-   * 7.6.3 Constant Constructors: Any expression that appears within the
-   * initializer list of a constant constructor must be a potentially constant
-   * expression, or a compile-time error occurs.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_VALUE_IN_INITIALIZER =
-      const CompileTimeErrorCode('NON_CONSTANT_VALUE_IN_INITIALIZER',
-          "Initializer expressions in constant constructors must be constants");
-
-  /**
-   * 7.6.3 Constant Constructors: Any expression that appears within the
-   * initializer list of a constant constructor must be a potentially constant
-   * expression, or a compile-time error occurs.
-   *
-   * 12.1 Constants: A qualified reference to a static constant variable that is
-   * not qualified by a deferred prefix.
-   */
-  static const CompileTimeErrorCode NON_CONSTANT_VALUE_IN_INITIALIZER_FROM_DEFERRED_LIBRARY =
-      const CompileTimeErrorCode(
-          'NON_CONSTANT_VALUE_IN_INITIALIZER_FROM_DEFERRED_LIBRARY',
-          "Constant values from a deferred library cannot be used as constant initializers");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: It is a static warning if <i>m < h</i>
-   * or if <i>m > n</i>.
-   *
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   *
-   * Parameters:
-   * 0: the expected number of required arguments
-   * 1: the actual number of positional arguments given
-   */
-  static const CompileTimeErrorCode NOT_ENOUGH_REQUIRED_ARGUMENTS =
-      const CompileTimeErrorCode('NOT_ENOUGH_REQUIRED_ARGUMENTS',
-          "{0} required argument(s) expected, but {1} found");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>C</i> be the class in which the
-   * superinitializer appears and let <i>S</i> be the superclass of <i>C</i>.
-   * Let <i>k</i> be a generative constructor. It is a compile-time error if
-   * class <i>S</i> does not declare a generative constructor named <i>S</i>
-   * (respectively <i>S.id</i>)
-   */
-  static const CompileTimeErrorCode NON_GENERATIVE_CONSTRUCTOR =
-      const CompileTimeErrorCode('NON_GENERATIVE_CONSTRUCTOR',
-          "The generative constructor '{0}' expected, but factory found");
-
-  /**
-   * 7.9 Superclasses: It is a compile-time error to specify an extends clause
-   * for class Object.
-   */
-  static const CompileTimeErrorCode OBJECT_CANNOT_EXTEND_ANOTHER_CLASS =
-      const CompileTimeErrorCode('OBJECT_CANNOT_EXTEND_ANOTHER_CLASS', "");
-
-  /**
-   * 7.1.1 Operators: It is a compile-time error to declare an optional
-   * parameter in an operator.
-   */
-  static const CompileTimeErrorCode OPTIONAL_PARAMETER_IN_OPERATOR =
-      const CompileTimeErrorCode('OPTIONAL_PARAMETER_IN_OPERATOR',
-          "Optional parameters are not allowed when defining an operator");
-
-  /**
-   * 14.3 Parts: It is a compile time error if the contents of the URI are not a
-   * valid part declaration.
-   *
-   * Parameters:
-   * 0: the uri pointing to a non-library declaration
-   */
-  static const CompileTimeErrorCode PART_OF_NON_PART =
-      const CompileTimeErrorCode('PART_OF_NON_PART',
-          "The included part '{0}' must have a part-of directive");
-
-  /**
-   * 14.1 Imports: It is a compile-time error if the current library declares a
-   * top-level member named <i>p</i>.
-   */
-  static const CompileTimeErrorCode PREFIX_COLLIDES_WITH_TOP_LEVEL_MEMBER =
-      const CompileTimeErrorCode('PREFIX_COLLIDES_WITH_TOP_LEVEL_MEMBER',
-          "The name '{0}' is already used as an import prefix and cannot be used to name a top-level element");
-
-  /**
-   * 16.32 Identifier Reference: If d is a prefix p, a compile-time error
-   * occurs unless the token immediately following d is '.'.
-   */
-  static const CompileTimeErrorCode PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT =
-      const CompileTimeErrorCode('PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT',
-          "The name '{0}' refers to an import prefix, so it must be followed by '.'");
-
-  /**
-   * 6.2.2 Optional Formals: It is a compile-time error if the name of a named
-   * optional parameter begins with an '_' character.
-   */
-  static const CompileTimeErrorCode PRIVATE_OPTIONAL_PARAMETER =
-      const CompileTimeErrorCode('PRIVATE_OPTIONAL_PARAMETER',
-          "Named optional parameters cannot start with an underscore");
-
-  /**
-   * 12.1 Constants: It is a compile-time error if the value of a compile-time
-   * constant expression depends on itself.
-   */
-  static const CompileTimeErrorCode RECURSIVE_COMPILE_TIME_CONSTANT =
-      const CompileTimeErrorCode('RECURSIVE_COMPILE_TIME_CONSTANT',
-          "Compile-time constant expression depends on itself");
-
-  /**
-   * 7.6.1 Generative Constructors: A generative constructor may be redirecting,
-   * in which case its only action is to invoke another generative constructor.
-   *
-   * TODO(scheglov) review this later, there are no explicit "it is a
-   * compile-time error" in specification. But it was added to the co19 and
-   * there is same error for factories.
-   *
-   * https://code.google.com/p/dart/issues/detail?id=954
-   */
-  static const CompileTimeErrorCode RECURSIVE_CONSTRUCTOR_REDIRECT =
-      const CompileTimeErrorCode('RECURSIVE_CONSTRUCTOR_REDIRECT',
-          "Cycle in redirecting generative constructors");
-
-  /**
-   * 7.6.2 Factories: It is a compile-time error if a redirecting factory
-   * constructor redirects to itself, either directly or indirectly via a
-   * sequence of redirections.
-   */
-  static const CompileTimeErrorCode RECURSIVE_FACTORY_REDIRECT =
-      const CompileTimeErrorCode('RECURSIVE_FACTORY_REDIRECT',
-          "Cycle in redirecting factory constructors");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the interface of a
-   * class <i>C</i> is a superinterface of itself.
-   *
-   * 8.1 Superinterfaces: It is a compile-time error if an interface is a
-   * superinterface of itself.
-   *
-   * 7.9 Superclasses: It is a compile-time error if a class <i>C</i> is a
-   * superclass of itself.
-   *
-   * Parameters:
-   * 0: the name of the class that implements itself recursively
-   * 1: a string representation of the implements loop
-   */
-  static const CompileTimeErrorCode RECURSIVE_INTERFACE_INHERITANCE =
-      const CompileTimeErrorCode('RECURSIVE_INTERFACE_INHERITANCE',
-          "'{0}' cannot be a superinterface of itself: {1}");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the interface of a
-   * class <i>C</i> is a superinterface of itself.
-   *
-   * 8.1 Superinterfaces: It is a compile-time error if an interface is a
-   * superinterface of itself.
-   *
-   * 7.9 Superclasses: It is a compile-time error if a class <i>C</i> is a
-   * superclass of itself.
-   *
-   * Parameters:
-   * 0: the name of the class that implements itself recursively
-   */
-  static const CompileTimeErrorCode RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_EXTENDS =
-      const CompileTimeErrorCode(
-          'RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_EXTENDS',
-          "'{0}' cannot extend itself");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the interface of a
-   * class <i>C</i> is a superinterface of itself.
-   *
-   * 8.1 Superinterfaces: It is a compile-time error if an interface is a
-   * superinterface of itself.
-   *
-   * 7.9 Superclasses: It is a compile-time error if a class <i>C</i> is a
-   * superclass of itself.
-   *
-   * Parameters:
-   * 0: the name of the class that implements itself recursively
-   */
-  static const CompileTimeErrorCode RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_IMPLEMENTS =
-      const CompileTimeErrorCode(
-          'RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_IMPLEMENTS',
-          "'{0}' cannot implement itself");
-
-  /**
-   * 7.10 Superinterfaces: It is a compile-time error if the interface of a
-   * class <i>C</i> is a superinterface of itself.
-   *
-   * 8.1 Superinterfaces: It is a compile-time error if an interface is a
-   * superinterface of itself.
-   *
-   * 7.9 Superclasses: It is a compile-time error if a class <i>C</i> is a
-   * superclass of itself.
-   *
-   * Parameters:
-   * 0: the name of the class that implements itself recursively
-   */
-  static const CompileTimeErrorCode RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_WITH =
-      const CompileTimeErrorCode(
-          'RECURSIVE_INTERFACE_INHERITANCE_BASE_CASE_WITH',
-          "'{0}' cannot use itself as a mixin");
-
-  /**
-   * 7.6.2 Factories: It is a compile-time error if <i>k</i> is prefixed with
-   * the const modifier but <i>k'</i> is not a constant constructor.
-   */
-  static const CompileTimeErrorCode REDIRECT_TO_MISSING_CONSTRUCTOR =
-      const CompileTimeErrorCode('REDIRECT_TO_MISSING_CONSTRUCTOR',
-          "The constructor '{0}' could not be found in '{1}'");
-
-  /**
-   * 7.6.2 Factories: It is a compile-time error if <i>k</i> is prefixed with
-   * the const modifier but <i>k'</i> is not a constant constructor.
-   */
-  static const CompileTimeErrorCode REDIRECT_TO_NON_CLASS =
-      const CompileTimeErrorCode('REDIRECT_TO_NON_CLASS',
-          "The name '{0}' is not a type and cannot be used in a redirected constructor");
-
-  /**
-   * 7.6.2 Factories: It is a compile-time error if <i>k</i> is prefixed with
-   * the const modifier but <i>k'</i> is not a constant constructor.
-   */
-  static const CompileTimeErrorCode REDIRECT_TO_NON_CONST_CONSTRUCTOR =
-      const CompileTimeErrorCode('REDIRECT_TO_NON_CONST_CONSTRUCTOR',
-          "Constant factory constructor cannot delegate to a non-constant constructor");
-
-  /**
-   * 7.6.1 Generative constructors: A generative constructor may be
-   * <i>redirecting</i>, in which case its only action is to invoke another
-   * generative constructor.
-   */
-  static const CompileTimeErrorCode REDIRECT_GENERATIVE_TO_MISSING_CONSTRUCTOR =
-      const CompileTimeErrorCode('REDIRECT_GENERATIVE_TO_MISSING_CONSTRUCTOR',
-          "The constructor '{0}' could not be found in '{1}'");
-
-  /**
-   * 7.6.1 Generative constructors: A generative constructor may be
-   * <i>redirecting</i>, in which case its only action is to invoke another
-   * generative constructor.
-   */
-  static const CompileTimeErrorCode REDIRECT_GENERATIVE_TO_NON_GENERATIVE_CONSTRUCTOR =
-      const CompileTimeErrorCode(
-          'REDIRECT_GENERATIVE_TO_NON_GENERATIVE_CONSTRUCTOR',
-          "Generative constructor cannot redirect to a factory constructor");
-
-  /**
-   * 5 Variables: A local variable may only be referenced at a source code
-   * location that is after its initializer, if any, is complete, or a
-   * compile-time error occurs.
-   */
-  static const CompileTimeErrorCode REFERENCED_BEFORE_DECLARATION =
-      const CompileTimeErrorCode('REFERENCED_BEFORE_DECLARATION',
-          "Local variables cannot be referenced before they are declared");
-
-  /**
-   * 12.8.1 Rethrow: It is a compile-time error if an expression of the form
-   * <i>rethrow;</i> is not enclosed within a on-catch clause.
-   */
-  static const CompileTimeErrorCode RETHROW_OUTSIDE_CATCH =
-      const CompileTimeErrorCode(
-          'RETHROW_OUTSIDE_CATCH', "rethrow must be inside of a catch clause");
-
-  /**
-   * 13.12 Return: It is a compile-time error if a return statement of the form
-   * <i>return e;</i> appears in a generative constructor.
-   */
-  static const CompileTimeErrorCode RETURN_IN_GENERATIVE_CONSTRUCTOR =
-      const CompileTimeErrorCode('RETURN_IN_GENERATIVE_CONSTRUCTOR',
-          "Constructors cannot return a value");
-
-  /**
-   * 13.12 Return: It is a compile-time error if a return statement of the form
-   * <i>return e;</i> appears in a generator function.
-   */
-  static const CompileTimeErrorCode RETURN_IN_GENERATOR =
-      const CompileTimeErrorCode('RETURN_IN_GENERATOR',
-          "Cannot return a value from a generator function (one marked with either 'async*' or 'sync*')");
-
-  /**
-   * 14.1 Imports: It is a compile-time error if a prefix used in a deferred
-   * import is used in another import clause.
-   */
-  static const CompileTimeErrorCode SHARED_DEFERRED_PREFIX =
-      const CompileTimeErrorCode('SHARED_DEFERRED_PREFIX',
-          "The prefix of a deferred import cannot be used in other import directives");
-
-  /**
-   * 12.15.4 Super Invocation: A super method invocation <i>i</i> has the form
-   * <i>super.m(a<sub>1</sub>, &hellip;, a<sub>n</sub>, x<sub>n+1</sub>:
-   * a<sub>n+1</sub>, &hellip; x<sub>n+k</sub>: a<sub>n+k</sub>)</i>. It is a
-   * compile-time error if a super method invocation occurs in a top-level
-   * function or variable initializer, in an instance variable initializer or
-   * initializer list, in class Object, in a factory constructor, or in a static
-   * method or variable initializer.
-   */
-  static const CompileTimeErrorCode SUPER_IN_INVALID_CONTEXT =
-      const CompileTimeErrorCode(
-          'SUPER_IN_INVALID_CONTEXT', "Invalid context for 'super' invocation");
-
-  /**
-   * 7.6.1 Generative Constructors: A generative constructor may be redirecting,
-   * in which case its only action is to invoke another generative constructor.
-   */
-  static const CompileTimeErrorCode SUPER_IN_REDIRECTING_CONSTRUCTOR =
-      const CompileTimeErrorCode('SUPER_IN_REDIRECTING_CONSTRUCTOR',
-          "The redirecting constructor cannot have a 'super' initializer");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>k</i> be a generative constructor. It
-   * is a compile-time error if a generative constructor of class Object
-   * includes a superinitializer.
-   */
-  static const CompileTimeErrorCode SUPER_INITIALIZER_IN_OBJECT =
-      const CompileTimeErrorCode('SUPER_INITIALIZER_IN_OBJECT', "");
-
-  /**
-   * 12.11 Instance Creation: It is a static type warning if any of the type
-   * arguments to a constructor of a generic type <i>G</i> invoked by a new
-   * expression or a constant object expression are not subtypes of the bounds
-   * of the corresponding formal type parameters of <i>G</i>.
-   *
-   * 12.11.1 New: If T is malformed a dynamic error occurs. In checked mode, if
-   * T is mal-bounded a dynamic error occurs.
-   *
-   * 12.1 Constants: It is a compile-time error if evaluation of a compile-time
-   * constant would raise an exception.
-   *
-   * Parameters:
-   * 0: the name of the type used in the instance creation that should be
-   *    limited by the bound as specified in the class declaration
-   * 1: the name of the bounding type
-   *
-   * See [StaticTypeWarningCode.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS].
-   */
-  static const CompileTimeErrorCode TYPE_ARGUMENT_NOT_MATCHING_BOUNDS =
-      const CompileTimeErrorCode(
-          'TYPE_ARGUMENT_NOT_MATCHING_BOUNDS', "'{0}' does not extend '{1}'");
-
-  /**
-   * 15.3.1 Typedef: Any self reference, either directly, or recursively via
-   * another typedef, is a compile time error.
-   */
-  static const CompileTimeErrorCode TYPE_ALIAS_CANNOT_REFERENCE_ITSELF =
-      const CompileTimeErrorCode('TYPE_ALIAS_CANNOT_REFERENCE_ITSELF',
-          "Type alias cannot reference itself directly or recursively via another typedef");
-
-  /**
-   * 12.11.2 Const: It is a compile-time error if <i>T</i> is not a class
-   * accessible in the current scope, optionally followed by type arguments.
-   */
-  static const CompileTimeErrorCode UNDEFINED_CLASS =
-      const CompileTimeErrorCode('UNDEFINED_CLASS', "Undefined class '{0}'");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>C</i> be the class in which the
-   * superinitializer appears and let <i>S</i> be the superclass of <i>C</i>.
-   * Let <i>k</i> be a generative constructor. It is a compile-time error if
-   * class <i>S</i> does not declare a generative constructor named <i>S</i>
-   * (respectively <i>S.id</i>)
-   */
-  static const CompileTimeErrorCode UNDEFINED_CONSTRUCTOR_IN_INITIALIZER =
-      const CompileTimeErrorCode('UNDEFINED_CONSTRUCTOR_IN_INITIALIZER',
-          "The class '{0}' does not have a generative constructor '{1}'");
-
-  /**
-   * 7.6.1 Generative Constructors: Let <i>C</i> be the class in which the
-   * superinitializer appears and let <i>S</i> be the superclass of <i>C</i>.
-   * Let <i>k</i> be a generative constructor. It is a compile-time error if
-   * class <i>S</i> does not declare a generative constructor named <i>S</i>
-   * (respectively <i>S.id</i>)
-   */
-  static const CompileTimeErrorCode UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT =
-      const CompileTimeErrorCode('UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT',
-          "The class '{0}' does not have a default generative constructor");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: Furthermore, each <i>q<sub>i</sub></i>,
-   * <i>1<=i<=l</i>, must have a corresponding named parameter in the set
-   * {<i>p<sub>n+1</sub></i> ... <i>p<sub>n+k</sub></i>} or a static warning
-   * occurs.
-   *
-   * 12.11.2 Const: It is a compile-time error if evaluation of a constant
-   * object results in an uncaught exception being thrown.
-   *
-   * Parameters:
-   * 0: the name of the requested named parameter
-   */
-  static const CompileTimeErrorCode UNDEFINED_NAMED_PARAMETER =
-      const CompileTimeErrorCode('UNDEFINED_NAMED_PARAMETER',
-          "The named parameter '{0}' is not defined");
-
-  /**
-   * 14.2 Exports: It is a compile-time error if the compilation unit found at
-   * the specified URI is not a library declaration.
-   *
-   * 14.1 Imports: It is a compile-time error if the compilation unit found at
-   * the specified URI is not a library declaration.
-   *
-   * 14.3 Parts: It is a compile time error if the contents of the URI are not a
-   * valid part declaration.
-   *
-   * Parameters:
-   * 0: the URI pointing to a non-existent file
-   *
-   * See [INVALID_URI].
-   */
-  static const CompileTimeErrorCode URI_DOES_NOT_EXIST =
-      const CompileTimeErrorCode(
-          'URI_DOES_NOT_EXIST', "Target of URI does not exist: '{0}'");
-
-  /**
-   * 14.1 Imports: It is a compile-time error if <i>x</i> is not a compile-time
-   * constant, or if <i>x</i> involves string interpolation.
-   *
-   * 14.3 Parts: It is a compile-time error if <i>s</i> is not a compile-time
-   * constant, or if <i>s</i> involves string interpolation.
-   *
-   * 14.5 URIs: It is a compile-time error if the string literal <i>x</i> that
-   * describes a URI is not a compile-time constant, or if <i>x</i> involves
-   * string interpolation.
-   */
-  static const CompileTimeErrorCode URI_WITH_INTERPOLATION =
-      const CompileTimeErrorCode(
-          'URI_WITH_INTERPOLATION', "URIs cannot use string interpolation");
-
-  /**
-   * 7.1.1 Operators: It is a compile-time error if the arity of the
-   * user-declared operator []= is not 2. It is a compile time error if the
-   * arity of a user-declared operator with one of the names: &lt;, &gt;, &lt;=,
-   * &gt;=, ==, +, /, ~/, *, %, |, ^, &, &lt;&lt;, &gt;&gt;, [] is not 1. It is
-   * a compile time error if the arity of the user-declared operator - is not 0
-   * or 1. It is a compile time error if the arity of the user-declared operator
-   * ~ is not 0.
-   *
-   * Parameters:
-   * 0: the name of the declared operator
-   * 1: the number of parameters expected
-   * 2: the number of parameters found in the operator declaration
-   */
-  static const CompileTimeErrorCode WRONG_NUMBER_OF_PARAMETERS_FOR_OPERATOR =
-      const CompileTimeErrorCode('WRONG_NUMBER_OF_PARAMETERS_FOR_OPERATOR',
-          "Operator '{0}' should declare exactly {1} parameter(s), but {2} found");
-
-  /**
-   * 7.1.1 Operators: It is a compile time error if the arity of the
-   * user-declared operator - is not 0 or 1.
-   *
-   * Parameters:
-   * 0: the number of parameters found in the operator declaration
-   */
-  static const CompileTimeErrorCode WRONG_NUMBER_OF_PARAMETERS_FOR_OPERATOR_MINUS =
-      const CompileTimeErrorCode(
-          'WRONG_NUMBER_OF_PARAMETERS_FOR_OPERATOR_MINUS',
-          "Operator '-' should declare 0 or 1 parameter, but {0} found");
-
-  /**
-   * 7.3 Setters: It is a compile-time error if a setter's formal parameter list
-   * does not include exactly one required formal parameter <i>p</i>.
-   */
-  static const CompileTimeErrorCode WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER =
-      const CompileTimeErrorCode('WRONG_NUMBER_OF_PARAMETERS_FOR_SETTER',
-          "Setters should declare exactly one required parameter");
-
-  /**
-   * ?? Yield: It is a compile-time error if a yield statement appears in a
-   * function that is not a generator function.
-   */
-  static const CompileTimeErrorCode YIELD_EACH_IN_NON_GENERATOR =
-      const CompileTimeErrorCode('YIELD_EACH_IN_NON_GENERATOR',
-          "Yield-each statements must be in a generator function (one marked with either 'async*' or 'sync*')");
-
-  /**
-   * ?? Yield: It is a compile-time error if a yield statement appears in a
-   * function that is not a generator function.
-   */
-  static const CompileTimeErrorCode YIELD_IN_NON_GENERATOR =
-      const CompileTimeErrorCode('YIELD_IN_NON_GENERATOR',
-          "Yield statements must be in a generator function (one marked with either 'async*' or 'sync*')");
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const CompileTimeErrorCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorType.COMPILE_TIME_ERROR.severity;
-
-  @override
-  ErrorType get type => ErrorType.COMPILE_TIME_ERROR;
-}
-
-/**
- * An error listener that can be enabled or disabled while executing a function.
- */
-class DisablableErrorListener implements AnalysisErrorListener {
-  /**
-   * The listener to which errors will be reported if this listener is enabled.
-   */
-  final AnalysisErrorListener baseListener;
-
-  /**
-   * A flag indicating whether this listener is currently enabled.
-   */
-  bool enabled = true;
-
-  /**
-   * Initialize a newly created listener to report errors to the given
-   * [baseListener].
-   */
-  DisablableErrorListener(this.baseListener);
-
-  /**
-   * Disable the processing of errors while evaluating the given [function].
-   * Return the value returned by the function.
-   */
-  dynamic disableWhile(dynamic function()) {
-    bool wasEnabled = enabled;
-    try {
-      enabled = false;
-      return function();
-    } finally {
-      enabled = wasEnabled;
-    }
-  }
-
-  /**
-   * Disable the processing of errors while evaluating the given [function].
-   * Return the value returned by the function.
-   */
-  dynamic enableWhile(dynamic function()) {
-    bool wasEnabled = enabled;
-    try {
-      enabled = true;
-      return function();
-    } finally {
-      enabled = wasEnabled;
-    }
-  }
-
-  @override
-  void onError(AnalysisError error) {
-    if (enabled) {
-      baseListener.onError(error);
-    }
-  }
-}
-
-/**
- * An error code associated with an [AnalysisError].
- *
- * Generally, we want to provide messages that consist of three sentences. From
- * the user's perspective these sentences should explain:
- * 1. what is wrong,
- * 2. why is it wrong, and
- * 3. how do I fix it.
- * However, we combine the first two in the [message] and the last in the
- * [correction].
- */
-abstract class ErrorCode {
-  /**
-   * An empty list of error codes.
-   */
-  static const List<ErrorCode> EMPTY_LIST = const <ErrorCode>[];
-
-  /**
-   * The name of the error code.
-   */
-  final String name;
-
-  /**
-   * The template used to create the message to be displayed for this error. The
-   * message should indicate what is wrong and why it is wrong.
-   */
-  final String message;
-
-  /**
-   * The template used to create the correction to be displayed for this error,
-   * or `null` if there is no correction information for this error. The
-   * correction should indicate how the user can fix the error.
-   */
-  final String correction;
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const ErrorCode(this.name, this.message, [this.correction]);
-
-  /**
-   * The severity of the error.
-   */
-  ErrorSeverity get errorSeverity;
-
-  /**
-   * The type of the error.
-   */
-  ErrorType get type;
-
-  /**
-   * The unique name of this error code.
-   */
-  String get uniqueName => "$runtimeType.$name";
-}
-
-/**
- * The properties that can be associated with an [AnalysisError].
- */
-class ErrorProperty extends Enum<ErrorProperty> {
-  /**
-   * A property whose value is a list of [FieldElement]s that are final, but
-   * not initialized by a constructor.
-   */
-  static const ErrorProperty NOT_INITIALIZED_FIELDS =
-      const ErrorProperty('NOT_INITIALIZED_FIELDS', 0);
-
-  /**
-   * A property whose value is the name of the library that is used by all
-   * of the "part of" directives, so should be used in the "library" directive.
-   * Is `null` if there is no a single name used by all of the parts.
-   */
-  static const ErrorProperty PARTS_LIBRARY_NAME =
-      const ErrorProperty('PARTS_LIBRARY_NAME', 1);
-
-  /**
-   * A property whose value is a list of [ExecutableElement] that should
-   * be but are not implemented by a concrete class.
-   */
-  static const ErrorProperty UNIMPLEMENTED_METHODS =
-      const ErrorProperty('UNIMPLEMENTED_METHODS', 2);
-
-  static const List<ErrorProperty> values = const [
-    NOT_INITIALIZED_FIELDS,
-    PARTS_LIBRARY_NAME,
-    UNIMPLEMENTED_METHODS
-  ];
-
-  const ErrorProperty(String name, int ordinal) : super(name, ordinal);
-}
-
-/**
- * An object used to create analysis errors and report then to an error
- * listener.
- */
-class ErrorReporter {
-  /**
-   * The error listener to which errors will be reported.
-   */
-  final AnalysisErrorListener _errorListener;
-
-  /**
-   * The default source to be used when reporting errors.
-   */
-  final Source _defaultSource;
-
-  /**
-   * The source to be used when reporting errors.
-   */
-  Source _source;
-
-  /**
-   * Initialize a newly created error reporter that will report errors to the
-   * given [_errorListener]. Errors will be reported against the
-   * [_defaultSource] unless another source is provided later.
-   */
-  ErrorReporter(this._errorListener, this._defaultSource) {
-    if (_errorListener == null) {
-      throw new IllegalArgumentException("An error listener must be provided");
-    } else if (_defaultSource == null) {
-      throw new IllegalArgumentException("A default source must be provided");
-    }
-    this._source = _defaultSource;
-  }
-
-  Source get source => _source;
-
-  /**
-   * Set the source to be used when reporting errors to the given [source].
-   * Setting the source to `null` will cause the default source to be used.
-   */
-  void set source(Source source) {
-    this._source = source == null ? _defaultSource : source;
-  }
-
-  /**
-   * Creates an error with properties with the given [errorCode] and
-   * [arguments]. The [node] is used to compute the location of the error.
-   */
-  AnalysisErrorWithProperties newErrorWithProperties(
-          ErrorCode errorCode, AstNode node, List<Object> arguments) =>
-      new AnalysisErrorWithProperties(
-          _source, node.offset, node.length, errorCode, arguments);
-
-  /**
-   * Report the given [error].
-   */
-  void reportError(AnalysisError error) {
-    _errorListener.onError(error);
-  }
-
-  /**
-   * Report an error with the given [errorCode] and [arguments]. The [element]
-   * is used to compute the location of the error.
-   */
-  void reportErrorForElement(ErrorCode errorCode, Element element,
-      [List<Object> arguments]) {
-    int length = 0;
-    if (element is ImportElement) {
-      length = 6; // 'import'.length
-    } else if (element is ExportElement) {
-      length = 6; // 'export'.length
-    } else {
-      length = element.nameLength;
-    }
-    reportErrorForOffset(errorCode, element.nameOffset, length, arguments);
-  }
-
-  /**
-   * Report an error with the given [errorCode] and [arguments].
-   * The [node] is used to compute the location of the error.
-   *
-   * If the arguments contain the names of two or more types, the method
-   * [reportTypeErrorForNode] should be used and the types
-   * themselves (rather than their names) should be passed as arguments.
-   */
-  void reportErrorForNode(ErrorCode errorCode, AstNode node,
-      [List<Object> arguments]) {
-    reportErrorForOffset(errorCode, node.offset, node.length, arguments);
-  }
-
-  /**
-   * Report an error with the given [errorCode] and [arguments]. The location of
-   * the error is specified by the given [offset] and [length].
-   */
-  void reportErrorForOffset(ErrorCode errorCode, int offset, int length,
-      [List<Object> arguments]) {
-    _errorListener.onError(
-        new AnalysisError(_source, offset, length, errorCode, arguments));
-  }
-
-  /**
-   * Report an error with the given [errorCode] and [arguments]. The [token] is
-   * used to compute the location of the error.
-   */
-  void reportErrorForToken(ErrorCode errorCode, Token token,
-      [List<Object> arguments]) {
-    reportErrorForOffset(errorCode, token.offset, token.length, arguments);
-  }
-
-  /**
-   * Report an error with the given [errorCode] and [arguments]. The [node] is
-   * used to compute the location of the error. The arguments are expected to
-   * contain two or more types. Convert the types into strings by using the
-   * display names of the types, unless there are two or more types with the
-   * same names, in which case the extended display names of the types will be
-   * used in order to clarify the message.
-   *
-   * If there are not two or more types in the argument list, the method
-   * [reportErrorForNode] should be used instead.
-   */
-  void reportTypeErrorForNode(
-      ErrorCode errorCode, AstNode node, List<Object> arguments) {
-    _convertTypeNames(arguments);
-    reportErrorForOffset(errorCode, node.offset, node.length, arguments);
-  }
-
-  /**
-   * Given an array of [arguments] that is expected to contain two or more
-   * types, convert the types into strings by using the display names of the
-   * types, unless there are two or more types with the same names, in which
-   * case the extended display names of the types will be used in order to
-   * clarify the message.
-   */
-  void _convertTypeNames(List<Object> arguments) {
-    if (_hasEqualTypeNames(arguments)) {
-      int count = arguments.length;
-      for (int i = 0; i < count; i++) {
-        Object argument = arguments[i];
-        if (argument is DartType) {
-          DartType type = argument;
-          Element element = type.element;
-          if (element == null) {
-            arguments[i] = type.displayName;
-          } else {
-            arguments[i] = element.getExtendedDisplayName(type.displayName);
-          }
-        }
-      }
-    } else {
-      int count = arguments.length;
-      for (int i = 0; i < count; i++) {
-        Object argument = arguments[i];
-        if (argument is DartType) {
-          arguments[i] = argument.displayName;
-        }
-      }
-    }
-  }
-
-  /**
-   * Return `true` if the given array of [arguments] contains two or more types
-   * with the same display name.
-   */
-  bool _hasEqualTypeNames(List<Object> arguments) {
-    int count = arguments.length;
-    HashSet<String> typeNames = new HashSet<String>();
-    for (int i = 0; i < count; i++) {
-      if (arguments[i] is DartType &&
-          !typeNames.add((arguments[i] as DartType).displayName)) {
-        return true;
-      }
-    }
-    return false;
-  }
-}
-
-/**
- * The severity of an [ErrorCode].
- */
-class ErrorSeverity extends Enum<ErrorSeverity> {
-  /**
-   * The severity representing a non-error. This is never used for any error
-   * code, but is useful for clients.
-   */
-  static const ErrorSeverity NONE = const ErrorSeverity('NONE', 0, " ", "none");
-
-  /**
-   * The severity representing an informational level analysis issue.
-   */
-  static const ErrorSeverity INFO = const ErrorSeverity('INFO', 1, "I", "info");
-
-  /**
-   * The severity representing a warning. Warnings can become errors if the `-Werror` command
-   * line flag is specified.
-   */
-  static const ErrorSeverity WARNING =
-      const ErrorSeverity('WARNING', 2, "W", "warning");
-
-  /**
-   * The severity representing an error.
-   */
-  static const ErrorSeverity ERROR =
-      const ErrorSeverity('ERROR', 3, "E", "error");
-
-  static const List<ErrorSeverity> values = const [NONE, INFO, WARNING, ERROR];
-
-  /**
-   * The name of the severity used when producing machine output.
-   */
-  final String machineCode;
-
-  /**
-   * The name of the severity used when producing readable output.
-   */
-  final String displayName;
-
-  /**
-   * Initialize a newly created severity with the given names.
-   *
-   * Parameters:
-   * 0: the name of the severity used when producing machine output
-   * 1: the name of the severity used when producing readable output
-   */
-  const ErrorSeverity(
-      String name, int ordinal, this.machineCode, this.displayName)
-      : super(name, ordinal);
-
-  /**
-   * Return the severity constant that represents the greatest severity.
-   */
-  ErrorSeverity max(ErrorSeverity severity) =>
-      this.ordinal >= severity.ordinal ? this : severity;
-}
-
-/**
- * The type of an [ErrorCode].
- */
-class ErrorType extends Enum<ErrorType> {
-  /**
-   * Task (todo) comments in user code.
-   */
-  static const ErrorType TODO = const ErrorType('TODO', 0, ErrorSeverity.INFO);
-
-  /**
-   * Extra analysis run over the code to follow best practices, which are not in
-   * the Dart Language Specification.
-   */
-  static const ErrorType HINT = const ErrorType('HINT', 1, ErrorSeverity.INFO);
-
-  /**
-   * Compile-time errors are errors that preclude execution. A compile time
-   * error must be reported by a Dart compiler before the erroneous code is
-   * executed.
-   */
-  static const ErrorType COMPILE_TIME_ERROR =
-      const ErrorType('COMPILE_TIME_ERROR', 2, ErrorSeverity.ERROR);
-
-  /**
-   * Checked mode compile-time errors are errors that preclude execution in
-   * checked mode.
-   */
-  static const ErrorType CHECKED_MODE_COMPILE_TIME_ERROR = const ErrorType(
-      'CHECKED_MODE_COMPILE_TIME_ERROR', 3, ErrorSeverity.ERROR);
-
-  /**
-   * Static warnings are those warnings reported by the static checker. They
-   * have no effect on execution. Static warnings must be provided by Dart
-   * compilers used during development.
-   */
-  static const ErrorType STATIC_WARNING =
-      const ErrorType('STATIC_WARNING', 4, ErrorSeverity.WARNING);
-
-  /**
-   * Many, but not all, static warnings relate to types, in which case they are
-   * known as static type warnings.
-   */
-  static const ErrorType STATIC_TYPE_WARNING =
-      const ErrorType('STATIC_TYPE_WARNING', 5, ErrorSeverity.WARNING);
-
-  /**
-   * Syntactic errors are errors produced as a result of input that does not
-   * conform to the grammar.
-   */
-  static const ErrorType SYNTACTIC_ERROR =
-      const ErrorType('SYNTACTIC_ERROR', 6, ErrorSeverity.ERROR);
-
-  /**
-   * Lint warnings describe style and best practice recommendations that can be
-   * used to formalize a project's style guidelines.
-   */
-  static const ErrorType LINT = const ErrorType('LINT', 7, ErrorSeverity.INFO);
-
-  static const List<ErrorType> values = const [
-    TODO,
-    HINT,
-    COMPILE_TIME_ERROR,
-    CHECKED_MODE_COMPILE_TIME_ERROR,
-    STATIC_WARNING,
-    STATIC_TYPE_WARNING,
-    SYNTACTIC_ERROR,
-    LINT
-  ];
-
-  /**
-   * The severity of this type of error.
-   */
-  final ErrorSeverity severity;
-
-  /**
-   * Initialize a newly created error type to have the given [name] and
-   * [severity].
-   */
-  const ErrorType(String name, int ordinal, this.severity)
-      : super(name, ordinal);
-
-  String get displayName => name.toLowerCase().replaceAll('_', ' ');
-}
-
-/**
- * The hints and coding recommendations for best practices which are not
- * mentioned in the Dart Language Specification.
- */
-class HintCode extends ErrorCode {
-  /**
-   * This hint is generated anywhere where the
-   * [StaticWarningCode.ARGUMENT_TYPE_NOT_ASSIGNABLE] would have been generated,
-   * if we used propagated information for the warnings.
-   *
-   * Parameters:
-   * 0: the name of the actual argument type
-   * 1: the name of the expected type
-   */
-  static const HintCode ARGUMENT_TYPE_NOT_ASSIGNABLE = const HintCode(
-      'ARGUMENT_TYPE_NOT_ASSIGNABLE',
-      "The argument type '{0}' cannot be assigned to the parameter type '{1}'");
-
-  /**
-   * Dead code is code that is never reached, this can happen for instance if a
-   * statement follows a return statement.
-   */
-  static const HintCode DEAD_CODE = const HintCode('DEAD_CODE', "Dead code");
-
-  /**
-   * Dead code is code that is never reached. This case covers cases where the
-   * user has catch clauses after `catch (e)` or `on Object catch (e)`.
-   */
-  static const HintCode DEAD_CODE_CATCH_FOLLOWING_CATCH = const HintCode(
-      'DEAD_CODE_CATCH_FOLLOWING_CATCH',
-      "Dead code, catch clauses after a 'catch (e)' or an 'on Object catch (e)' are never reached");
-
-  /**
-   * Dead code is code that is never reached. This case covers cases where the
-   * user has an on-catch clause such as `on A catch (e)`, where a supertype of
-   * `A` was already caught.
-   *
-   * Parameters:
-   * 0: name of the subtype
-   * 1: name of the supertype
-   */
-  static const HintCode DEAD_CODE_ON_CATCH_SUBTYPE = const HintCode(
-      'DEAD_CODE_ON_CATCH_SUBTYPE',
-      "Dead code, this on-catch block will never be executed since '{0}' is a subtype of '{1}'");
-
-  /**
-   * Deprecated members should not be invoked or used.
-   *
-   * Parameters:
-   * 0: the name of the member
-   */
-  static const HintCode DEPRECATED_MEMBER_USE =
-      const HintCode('DEPRECATED_MEMBER_USE', "'{0}' is deprecated");
-
-  /**
-   * Duplicate imports.
-   */
-  static const HintCode DUPLICATE_IMPORT =
-      const HintCode('DUPLICATE_IMPORT', "Duplicate import");
-
-  /**
-   * Hint to use the ~/ operator.
-   */
-  static const HintCode DIVISION_OPTIMIZATION = const HintCode(
-      'DIVISION_OPTIMIZATION',
-      "The operator x ~/ y is more efficient than (x / y).toInt()");
-
-  /**
-   * Hint for the `x is double` type checks.
-   */
-  static const HintCode IS_DOUBLE = const HintCode('IS_DOUBLE',
-      "When compiled to JS, this test might return true when the left hand side is an int");
-
-  /**
-   * Hint for the `x is int` type checks.
-   */
-  static const HintCode IS_INT = const HintCode('IS_INT',
-      "When compiled to JS, this test might return true when the left hand side is a double");
-
-  /**
-   * Hint for the `x is! double` type checks.
-   */
-  static const HintCode IS_NOT_DOUBLE = const HintCode('IS_NOT_DOUBLE',
-      "When compiled to JS, this test might return false when the left hand side is an int");
-
-  /**
-   * Hint for the `x is! int` type checks.
-   */
-  static const HintCode IS_NOT_INT = const HintCode('IS_NOT_INT',
-      "When compiled to JS, this test might return false when the left hand side is a double");
-
-  /**
-   * Deferred libraries shouldn't define a top level function 'loadLibrary'.
-   */
-  static const HintCode IMPORT_DEFERRED_LIBRARY_WITH_LOAD_FUNCTION = const HintCode(
-      'IMPORT_DEFERRED_LIBRARY_WITH_LOAD_FUNCTION',
-      "The library '{0}' defines a top-level function named 'loadLibrary' which is hidden by deferring this library");
-
-  /**
-   * This hint is generated anywhere where the
-   * [StaticTypeWarningCode.INVALID_ASSIGNMENT] would have been generated, if we
-   * used propagated information for the warnings.
-   *
-   * Parameters:
-   * 0: the name of the right hand side type
-   * 1: the name of the left hand side type
-   */
-  static const HintCode INVALID_ASSIGNMENT = const HintCode(
-      'INVALID_ASSIGNMENT',
-      "A value of type '{0}' cannot be assigned to a variable of type '{1}'");
-
-  /**
-   * Generate a hint for methods or functions that have a return type, but do
-   * not have a non-void return statement on all branches. At the end of methods
-   * or functions with no return, Dart implicitly returns `null`, avoiding these
-   * implicit returns is considered a best practice.
-   *
-   * Parameters:
-   * 0: the name of the declared return type
-   */
-  static const HintCode MISSING_RETURN = const HintCode(
-      'MISSING_RETURN',
-      "This function declares a return type of '{0}', but does not end with a return statement",
-      "Either add a return statement or change the return type to 'void'");
-
-  /**
-   * A getter with the override annotation does not override an existing getter.
-   */
-  static const HintCode OVERRIDE_ON_NON_OVERRIDING_GETTER = const HintCode(
-      'OVERRIDE_ON_NON_OVERRIDING_GETTER',
-      "Getter does not override an inherited getter");
-
-  /**
-   * A method with the override annotation does not override an existing method.
-   */
-  static const HintCode OVERRIDE_ON_NON_OVERRIDING_METHOD = const HintCode(
-      'OVERRIDE_ON_NON_OVERRIDING_METHOD',
-      "Method does not override an inherited method");
-
-  /**
-   * A setter with the override annotation does not override an existing setter.
-   */
-  static const HintCode OVERRIDE_ON_NON_OVERRIDING_SETTER = const HintCode(
-      'OVERRIDE_ON_NON_OVERRIDING_SETTER',
-      "Setter does not override an inherited setter");
-
-  /**
-   * Hint for classes that override equals, but not hashCode.
-   *
-   * Parameters:
-   * 0: the name of the current class
-   */
-  static const HintCode OVERRIDE_EQUALS_BUT_NOT_HASH_CODE = const HintCode(
-      'OVERRIDE_EQUALS_BUT_NOT_HASH_CODE',
-      "The class '{0}' overrides 'operator==', but not 'get hashCode'");
-
-  /**
-   * Type checks of the type `x is! Null` should be done with `x != null`.
-   */
-  static const HintCode TYPE_CHECK_IS_NOT_NULL = const HintCode(
-      'TYPE_CHECK_IS_NOT_NULL',
-      "Tests for non-null should be done with '!= null'");
-
-  /**
-   * Type checks of the type `x is Null` should be done with `x == null`.
-   */
-  static const HintCode TYPE_CHECK_IS_NULL = const HintCode(
-      'TYPE_CHECK_IS_NULL', "Tests for null should be done with '== null'");
-
-  /**
-   * This hint is generated anywhere where the
-   * [StaticTypeWarningCode.UNDEFINED_GETTER] or
-   * [StaticWarningCode.UNDEFINED_GETTER] would have been generated, if we used
-   * propagated information for the warnings.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the getter is being looked for
-   */
-  static const HintCode UNDEFINED_GETTER = const HintCode('UNDEFINED_GETTER',
-      "The getter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * This hint is generated anywhere where the
-   * [StaticTypeWarningCode.UNDEFINED_METHOD] would have been generated, if we
-   * used propagated information for the warnings.
-   *
-   * Parameters:
-   * 0: the name of the method that is undefined
-   * 1: the resolved type name that the method lookup is happening on
-   */
-  static const HintCode UNDEFINED_METHOD = const HintCode('UNDEFINED_METHOD',
-      "The method '{0}' is not defined for the class '{1}'");
-
-  /**
-   * This hint is generated anywhere where the
-   * [StaticTypeWarningCode.UNDEFINED_OPERATOR] would have been generated, if we
-   * used propagated information for the warnings.
-   *
-   * Parameters:
-   * 0: the name of the operator
-   * 1: the name of the enclosing type where the operator is being looked for
-   */
-  static const HintCode UNDEFINED_OPERATOR = const HintCode(
-      'UNDEFINED_OPERATOR',
-      "The operator '{0}' is not defined for the class '{1}'");
-
-  /**
-   * This hint is generated anywhere where the
-   * [StaticTypeWarningCode.UNDEFINED_SETTER] or
-   * [StaticWarningCode.UNDEFINED_SETTER] would have been generated, if we used
-   * propagated information for the warnings.
-   *
-   * Parameters:
-   * 0: the name of the setter
-   * 1: the name of the enclosing type where the setter is being looked for
-   */
-  static const HintCode UNDEFINED_SETTER = const HintCode('UNDEFINED_SETTER',
-      "The setter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * Unnecessary cast.
-   */
-  static const HintCode UNNECESSARY_CAST =
-      const HintCode('UNNECESSARY_CAST', "Unnecessary cast");
-
-  /**
-   * Unnecessary type checks, the result is always true.
-   */
-  static const HintCode UNNECESSARY_TYPE_CHECK_FALSE = const HintCode(
-      'UNNECESSARY_TYPE_CHECK_FALSE',
-      "Unnecessary type check, the result is always false");
-
-  /**
-   * Unnecessary type checks, the result is always false.
-   */
-  static const HintCode UNNECESSARY_TYPE_CHECK_TRUE = const HintCode(
-      'UNNECESSARY_TYPE_CHECK_TRUE',
-      "Unnecessary type check, the result is always true");
-
-  /**
-   * See [Modifier.IS_USED_IN_LIBRARY].
-   */
-  static const HintCode UNUSED_ELEMENT =
-      const HintCode('UNUSED_ELEMENT', "The {0} '{1}' is not used");
-
-  /**
-   * Unused fields are fields which are never read.
-   */
-  static const HintCode UNUSED_FIELD = const HintCode(
-      'UNUSED_FIELD', "The value of the field '{0}' is not used");
-
-  /**
-   * Unused imports are imports which are never used.
-   */
-  static const HintCode UNUSED_IMPORT =
-      const HintCode('UNUSED_IMPORT', "Unused import");
-
-  /**
-   * Unused catch exception variables.
-   */
-  static const HintCode UNUSED_CATCH_CLAUSE = const HintCode(
-      'UNUSED_CATCH_CLAUSE',
-      "The exception variable '{0}' is not used, so the 'catch' clause can be removed");
-
-  /**
-   * Unused catch stack trace variables.
-   */
-  static const HintCode UNUSED_CATCH_STACK = const HintCode(
-      'UNUSED_CATCH_STACK',
-      "The stack trace variable '{0}' is not used and can be removed");
-
-  /**
-   * Unused local variables are local variables which are never read.
-   */
-  static const HintCode UNUSED_LOCAL_VARIABLE = const HintCode(
-      'UNUSED_LOCAL_VARIABLE',
-      "The value of the local variable '{0}' is not used");
-
-  /**
-   * Hint for cases where the source expects a method or function to return a
-   * non-void result, but the method or function signature returns void.
-   *
-   * Parameters:
-   * 0: the name of the method or function that returns void
-   */
-  static const HintCode USE_OF_VOID_RESULT = const HintCode(
-      'USE_OF_VOID_RESULT',
-      "The result of '{0}' is being used, even though it is declared to be 'void'");
-
-  /**
-   * It is a bad practice for a source file in a package "lib" directory
-   * hierarchy to traverse outside that directory hierarchy. For example, a
-   * source file in the "lib" directory should not contain a directive such as
-   * `import '../web/some.dart'` which references a file outside the lib
-   * directory.
-   */
-  static const HintCode FILE_IMPORT_INSIDE_LIB_REFERENCES_FILE_OUTSIDE =
-      const HintCode('FILE_IMPORT_INSIDE_LIB_REFERENCES_FILE_OUTSIDE',
-          "A file in the 'lib' directory hierarchy should not reference a file outside that hierarchy");
-
-  /**
-   * It is a bad practice for a source file ouside a package "lib" directory
-   * hierarchy to traverse into that directory hierarchy. For example, a source
-   * file in the "web" directory should not contain a directive such as
-   * `import '../lib/some.dart'` which references a file inside the lib
-   * directory.
-   */
-  static const HintCode FILE_IMPORT_OUTSIDE_LIB_REFERENCES_FILE_INSIDE =
-      const HintCode('FILE_IMPORT_OUTSIDE_LIB_REFERENCES_FILE_INSIDE',
-          "A file outside the 'lib' directory hierarchy should not reference a file inside that hierarchy. Use a package: reference instead.");
-
-  /**
-   * It is a bad practice for a package import to reference anything outside the
-   * given package, or more generally, it is bad practice for a package import
-   * to contain a "..". For example, a source file should not contain a
-   * directive such as `import 'package:foo/../some.dart'`.
-   */
-  static const HintCode PACKAGE_IMPORT_CONTAINS_DOT_DOT = const HintCode(
-      'PACKAGE_IMPORT_CONTAINS_DOT_DOT',
-      "A package import should not contain '..'");
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const HintCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorType.HINT.severity;
-
-  @override
-  ErrorType get type => ErrorType.HINT;
-}
-
-/**
- * The error codes used for errors in HTML files. The convention for this
- * class is for the name of the error code to indicate the problem that caused
- * the error to be generated and for the error message to explain what is wrong
- * and, when appropriate, how the problem can be corrected.
- */
-class HtmlErrorCode extends ErrorCode {
-  /**
-   * An error code indicating that there is a syntactic error in the file.
-   *
-   * Parameters:
-   * 0: the error message from the parse error
-   */
-  static const HtmlErrorCode PARSE_ERROR =
-      const HtmlErrorCode('PARSE_ERROR', '{0}');
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const HtmlErrorCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorSeverity.ERROR;
-
-  @override
-  ErrorType get type => ErrorType.COMPILE_TIME_ERROR;
-}
-
-/**
- * The error codes used for warnings in HTML files. The convention for this
- * class is for the name of the error code to indicate the problem that caused
- * the error to be generated and for the error message to explain what is wrong
- * and, when appropriate, how the problem can be corrected.
- */
-class HtmlWarningCode extends ErrorCode {
-  /**
-   * An error code indicating that the value of the 'src' attribute of a Dart
-   * script tag is not a valid URI.
-   *
-   * Parameters:
-   * 0: the URI that is invalid
-   */
-  static const HtmlWarningCode INVALID_URI =
-      const HtmlWarningCode('INVALID_URI', "Invalid URI syntax: '{0}'");
-
-  /**
-   * An error code indicating that the value of the 'src' attribute of a Dart
-   * script tag references a file that does not exist.
-   *
-   * Parameters:
-   * 0: the URI pointing to a non-existent file
-   */
-  static const HtmlWarningCode URI_DOES_NOT_EXIST = const HtmlWarningCode(
-      'URI_DOES_NOT_EXIST', "Target of URI does not exist: '{0}'");
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const HtmlWarningCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorSeverity.WARNING;
-
-  @override
-  ErrorType get type => ErrorType.STATIC_WARNING;
-}
-
-/**
- * Defines style and best practice recommendations.
- *
- * Unlike [HintCode]s, which are akin to traditional static warnings from a
- * compiler, lint recommendations focus on matters of style and practices that
- * might aggregated to define a project's style guide.
- */
-class LintCode extends ErrorCode {
-  const LintCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorSeverity.INFO;
-
-  @override
-  ErrorType get type => ErrorType.LINT;
-}
-
-/**
- * The error codes used for static type warnings. The convention for this class
- * is for the name of the error code to indicate the problem that caused the
- * error to be generated and for the error message to explain what is wrong and,
- * when appropriate, how the problem can be corrected.
- */
-class StaticTypeWarningCode extends ErrorCode {
-  /**
-   * 12.7 Lists: A fresh instance (7.6.1) <i>a</i>, of size <i>n</i>, whose
-   * class implements the built-in class <i>List&lt;E></i> is allocated.
-   *
-   * Parameters:
-   * 0: the number of provided type arguments
-   */
-  static const StaticTypeWarningCode EXPECTED_ONE_LIST_TYPE_ARGUMENTS =
-      const StaticTypeWarningCode('EXPECTED_ONE_LIST_TYPE_ARGUMENTS',
-          "List literal requires exactly one type arguments or none, but {0} found");
-
-  /**
-   * 12.8 Maps: A fresh instance (7.6.1) <i>m</i>, of size <i>n</i>, whose class
-   * implements the built-in class <i>Map&lt;K, V></i> is allocated.
-   *
-   * Parameters:
-   * 0: the number of provided type arguments
-   */
-  static const StaticTypeWarningCode EXPECTED_TWO_MAP_TYPE_ARGUMENTS =
-      const StaticTypeWarningCode('EXPECTED_TWO_MAP_TYPE_ARGUMENTS',
-          "Map literal requires exactly two type arguments or none, but {0} found");
-
-  /**
-   * 9 Functions: It is a static warning if the declared return type of a
-   * function marked async* may not be assigned to Stream.
-   */
-  static const StaticTypeWarningCode ILLEGAL_ASYNC_GENERATOR_RETURN_TYPE =
-      const StaticTypeWarningCode('ILLEGAL_ASYNC_GENERATOR_RETURN_TYPE',
-          "Functions marked 'async*' must have a return type assignable to 'Stream'");
-
-  /**
-   * 9 Functions: It is a static warning if the declared return type of a
-   * function marked async may not be assigned to Future.
-   */
-  static const StaticTypeWarningCode ILLEGAL_ASYNC_RETURN_TYPE =
-      const StaticTypeWarningCode('ILLEGAL_ASYNC_RETURN_TYPE',
-          "Functions marked 'async' must have a return type assignable to 'Future'");
-
-  /**
-   * 9 Functions: It is a static warning if the declared return type of a
-   * function marked sync* may not be assigned to Iterable.
-   */
-  static const StaticTypeWarningCode ILLEGAL_SYNC_GENERATOR_RETURN_TYPE =
-      const StaticTypeWarningCode('ILLEGAL_SYNC_GENERATOR_RETURN_TYPE',
-          "Functions marked 'sync*' must have a return type assignable to 'Iterable'");
-
-  /**
-   * 12.18 Assignment: Let <i>T</i> be the static type of <i>e<sub>1</sub></i>.
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance setter named <i>v=</i>.
-   *
-   * See [UNDEFINED_SETTER].
-   */
-  static const StaticTypeWarningCode INACCESSIBLE_SETTER =
-      const StaticTypeWarningCode('INACCESSIBLE_SETTER', "");
-
-  /**
-   * 8.1.1 Inheritance and Overriding: However, if the above rules would cause
-   * multiple members <i>m<sub>1</sub>, &hellip;, m<sub>k</sub></i> with the
-   * same name <i>n</i> that would be inherited (because identically named
-   * members existed in several superinterfaces) then at most one member is
-   * inherited.
-   *
-   * If the static types <i>T<sub>1</sub>, &hellip;, T<sub>k</sub></i> of the
-   * members <i>m<sub>1</sub>, &hellip;, m<sub>k</sub></i> are not identical,
-   * then there must be a member <i>m<sub>x</sub></i> such that <i>T<sub>x</sub>
-   * &lt;: T<sub>i</sub>, 1 &lt;= x &lt;= k</i> for all <i>i, 1 &lt;= i &lt;=
-   * k</i>, or a static type warning occurs. The member that is inherited is
-   * <i>m<sub>x</sub></i>, if it exists; otherwise:
-   * * Let <i>numberOfPositionals</i>(<i>f</i>) denote the number of positional
-   *   parameters of a function <i>f</i>, and let
-   *   <i>numberOfRequiredParams</i>(<i>f</i>) denote the number of required
-   *   parameters of a function <i>f</i>. Furthermore, let <i>s</i> denote the
-   *   set of all named parameters of the <i>m<sub>1</sub>, &hellip;,
-   *   m<sub>k</sub></i>. Then let
-   * * <i>h = max(numberOfPositionals(m<sub>i</sub>)),</i>
-   * * <i>r = min(numberOfRequiredParams(m<sub>i</sub>)), for all <i>i</i>, 1 <=
-   *   i <= k.</i> If <i>r <= h</i> then <i>I</i> has a method named <i>n</i>,
-   *   with <i>r</i> required parameters of type <b>dynamic</b>, <i>h</i>
-   *   positional parameters of type <b>dynamic</b>, named parameters <i>s</i>
-   *   of type <b>dynamic</b> and return type <b>dynamic</b>.
-   * * Otherwise none of the members <i>m<sub>1</sub>, &hellip;,
-   *   m<sub>k</sub></i> is inherited.
-   */
-  static const StaticTypeWarningCode INCONSISTENT_METHOD_INHERITANCE =
-      const StaticTypeWarningCode('INCONSISTENT_METHOD_INHERITANCE',
-          "'{0}' is inherited by at least two interfaces inconsistently, from {1}");
-
-  /**
-   * 12.15.1 Ordinary Invocation: It is a static type warning if <i>T</i> does
-   * not have an accessible (3.2) instance member named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the static member
-   *
-   * See [UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER].
-   */
-  static const StaticTypeWarningCode INSTANCE_ACCESS_TO_STATIC_MEMBER =
-      const StaticTypeWarningCode('INSTANCE_ACCESS_TO_STATIC_MEMBER',
-          "Static member '{0}' cannot be accessed using instance access");
-
-  /**
-   * 12.18 Assignment: It is a static type warning if the static type of
-   * <i>e</i> may not be assigned to the static type of <i>v</i>. The static
-   * type of the expression <i>v = e</i> is the static type of <i>e</i>.
-   *
-   * 12.18 Assignment: It is a static type warning if the static type of
-   * <i>e</i> may not be assigned to the static type of <i>C.v</i>. The static
-   * type of the expression <i>C.v = e</i> is the static type of <i>e</i>.
-   *
-   * 12.18 Assignment: Let <i>T</i> be the static type of <i>e<sub>1</sub></i>.
-   * It is a static type warning if the static type of <i>e<sub>2</sub></i> may
-   * not be assigned to <i>T</i>.
-   *
-   * Parameters:
-   * 0: the name of the right hand side type
-   * 1: the name of the left hand side type
-   */
-  static const StaticTypeWarningCode INVALID_ASSIGNMENT =
-      const StaticTypeWarningCode('INVALID_ASSIGNMENT',
-          "A value of type '{0}' cannot be assigned to a variable of type '{1}'");
-
-  /**
-   * 12.15.1 Ordinary Invocation: An ordinary method invocation <i>i</i> has the
-   * form <i>o.m(a<sub>1</sub>, &hellip;, a<sub>n</sub>, x<sub>n+1</sub>:
-   * a<sub>n+1</sub>, &hellip; x<sub>n+k</sub>: a<sub>n+k</sub>)</i>.
-   *
-   * Let <i>T</i> be the static type of <i>o</i>. It is a static type warning if
-   * <i>T</i> does not have an accessible instance member named <i>m</i>. If
-   * <i>T.m</i> exists, it is a static warning if the type <i>F</i> of
-   * <i>T.m</i> may not be assigned to a function type. If <i>T.m</i> does not
-   * exist, or if <i>F</i> is not a function type, the static type of <i>i</i>
-   * is dynamic.
-   *
-   * 12.15.3 Static Invocation: It is a static type warning if the type <i>F</i>
-   * of <i>C.m</i> may not be assigned to a function type.
-   *
-   * 12.15.4 Super Invocation: A super method invocation <i>i</i> has the form
-   * <i>super.m(a<sub>1</sub>, &hellip;, a<sub>n</sub>, x<sub>n+1</sub>:
-   * a<sub>n+1</sub>, &hellip; x<sub>n+k</sub>: a<sub>n+k</sub>)</i>. If
-   * <i>S.m</i> exists, it is a static warning if the type <i>F</i> of
-   * <i>S.m</i> may not be assigned to a function type.
-   *
-   * Parameters:
-   * 0: the name of the identifier that is not a function type
-   */
-  static const StaticTypeWarningCode INVOCATION_OF_NON_FUNCTION =
-      const StaticTypeWarningCode(
-          'INVOCATION_OF_NON_FUNCTION', "'{0}' is not a method");
-
-  /**
-   * 12.14.4 Function Expression Invocation: A function expression invocation
-   * <i>i</i> has the form <i>e<sub>f</sub>(a<sub>1</sub>, &hellip;,
-   * a<sub>n</sub>, x<sub>n+1</sub>: a<sub>n+1</sub>, &hellip;, x<sub>n+k</sub>:
-   * a<sub>n+k</sub>)</i>, where <i>e<sub>f</sub></i> is an expression.
-   *
-   * It is a static type warning if the static type <i>F</i> of
-   * <i>e<sub>f</sub></i> may not be assigned to a function type.
-   */
-  static const StaticTypeWarningCode INVOCATION_OF_NON_FUNCTION_EXPRESSION =
-      const StaticTypeWarningCode('INVOCATION_OF_NON_FUNCTION_EXPRESSION',
-          "Cannot invoke a non-function");
-
-  /**
-   * 12.20 Conditional: It is a static type warning if the type of
-   * <i>e<sub>1</sub></i> may not be assigned to bool.
-   *
-   * 13.5 If: It is a static type warning if the type of the expression <i>b</i>
-   * may not be assigned to bool.
-   *
-   * 13.7 While: It is a static type warning if the type of <i>e</i> may not be
-   * assigned to bool.
-   *
-   * 13.8 Do: It is a static type warning if the type of <i>e</i> cannot be
-   * assigned to bool.
-   */
-  static const StaticTypeWarningCode NON_BOOL_CONDITION =
-      const StaticTypeWarningCode(
-          'NON_BOOL_CONDITION', "Conditions must have a static type of 'bool'");
-
-  /**
-   * 13.15 Assert: It is a static type warning if the type of <i>e</i> may not
-   * be assigned to either bool or () &rarr; bool
-   */
-  static const StaticTypeWarningCode NON_BOOL_EXPRESSION =
-      const StaticTypeWarningCode('NON_BOOL_EXPRESSION',
-          "Assertions must be on either a 'bool' or '() -> bool'");
-
-  /**
-   * 12.28 Unary Expressions: The expression !<i>e</i> is equivalent to the
-   * expression <i>e</i>?<b>false<b> : <b>true</b>.
-   *
-   * 12.20 Conditional: It is a static type warning if the type of
-   * <i>e<sub>1</sub></i> may not be assigned to bool.
-   */
-  static const StaticTypeWarningCode NON_BOOL_NEGATION_EXPRESSION =
-      const StaticTypeWarningCode('NON_BOOL_NEGATION_EXPRESSION',
-          "Negation argument must have a static type of 'bool'");
-
-  /**
-   * 12.21 Logical Boolean Expressions: It is a static type warning if the
-   * static types of both of <i>e<sub>1</sub></i> and <i>e<sub>2</sub></i> may
-   * not be assigned to bool.
-   *
-   * Parameters:
-   * 0: the lexeme of the logical operator
-   */
-  static const StaticTypeWarningCode NON_BOOL_OPERAND =
-      const StaticTypeWarningCode('NON_BOOL_OPERAND',
-          "The operands of the '{0}' operator must be assignable to 'bool'");
-
-  /**
-   * 15.8 Parameterized Types: It is a static type warning if <i>A<sub>i</sub>,
-   * 1 &lt;= i &lt;= n</i> does not denote a type in the enclosing lexical scope.
-   */
-  static const StaticTypeWarningCode NON_TYPE_AS_TYPE_ARGUMENT =
-      const StaticTypeWarningCode('NON_TYPE_AS_TYPE_ARGUMENT',
-          "The name '{0}' is not a type and cannot be used as a parameterized type");
-
-  /**
-   * 13.11 Return: It is a static type warning if the type of <i>e</i> may not
-   * be assigned to the declared return type of the immediately enclosing
-   * function.
-   *
-   * Parameters:
-   * 0: the return type as declared in the return statement
-   * 1: the expected return type as defined by the method
-   * 2: the name of the method
-   */
-  static const StaticTypeWarningCode RETURN_OF_INVALID_TYPE =
-      const StaticTypeWarningCode('RETURN_OF_INVALID_TYPE',
-          "The return type '{0}' is not a '{1}', as defined by the method '{2}'");
-
-  /**
-   * 12.11 Instance Creation: It is a static type warning if any of the type
-   * arguments to a constructor of a generic type <i>G</i> invoked by a new
-   * expression or a constant object expression are not subtypes of the bounds
-   * of the corresponding formal type parameters of <i>G</i>.
-   *
-   * 15.8 Parameterized Types: If <i>S</i> is the static type of a member
-   * <i>m</i> of <i>G</i>, then the static type of the member <i>m</i> of
-   * <i>G&lt;A<sub>1</sub>, &hellip;, A<sub>n</sub>&gt;</i> is <i>[A<sub>1</sub>,
-   * &hellip;, A<sub>n</sub>/T<sub>1</sub>, &hellip;, T<sub>n</sub>]S</i> where
-   * <i>T<sub>1</sub>, &hellip;, T<sub>n</sub></i> are the formal type
-   * parameters of <i>G</i>. Let <i>B<sub>i</sub></i> be the bounds of
-   * <i>T<sub>i</sub>, 1 &lt;= i &lt;= n</i>. It is a static type warning if
-   * <i>A<sub>i</sub></i> is not a subtype of <i>[A<sub>1</sub>, &hellip;,
-   * A<sub>n</sub>/T<sub>1</sub>, &hellip;, T<sub>n</sub>]B<sub>i</sub>, 1 &lt;=
-   * i &lt;= n</i>.
-   *
-   * 7.6.2 Factories: It is a static type warning if any of the type arguments
-   * to <i>k'</i> are not subtypes of the bounds of the corresponding formal
-   * type parameters of type.
-   *
-   * Parameters:
-   * 0: the name of the type used in the instance creation that should be
-   *    limited by the bound as specified in the class declaration
-   * 1: the name of the bounding type
-   *
-   * See [TYPE_PARAMETER_SUPERTYPE_OF_ITS_BOUND].
-   */
-  static const StaticTypeWarningCode TYPE_ARGUMENT_NOT_MATCHING_BOUNDS =
-      const StaticTypeWarningCode(
-          'TYPE_ARGUMENT_NOT_MATCHING_BOUNDS', "'{0}' does not extend '{1}'");
-
-  /**
-   * 10 Generics: It is a static type warning if a type parameter is a supertype
-   * of its upper bound.
-   *
-   * Parameters:
-   * 0: the name of the type parameter
-   *
-   * See [TYPE_ARGUMENT_NOT_MATCHING_BOUNDS].
-   */
-  static const StaticTypeWarningCode TYPE_PARAMETER_SUPERTYPE_OF_ITS_BOUND =
-      const StaticTypeWarningCode('TYPE_PARAMETER_SUPERTYPE_OF_ITS_BOUND',
-          "'{0}' cannot be a supertype of its upper bound");
-
-  /**
-   * 12.17 Getter Invocation: It is a static warning if there is no class
-   * <i>C</i> in the enclosing lexical scope of <i>i</i>, or if <i>C</i> does
-   * not declare, implicitly or explicitly, a getter named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the enumeration constant that is not defined
-   * 1: the name of the enumeration used to access the constant
-   */
-  static const StaticTypeWarningCode UNDEFINED_ENUM_CONSTANT =
-      const StaticTypeWarningCode('UNDEFINED_ENUM_CONSTANT',
-          "There is no constant named '{0}' in '{1}'");
-
-  /**
-   * 12.15.3 Unqualified Invocation: If there exists a lexically visible
-   * declaration named <i>id</i>, let <i>f<sub>id</sub></i> be the innermost
-   * such declaration. Then: [skip]. Otherwise, <i>f<sub>id</sub></i> is
-   * considered equivalent to the ordinary method invocation
-   * <b>this</b>.<i>id</i>(<i>a<sub>1</sub></i>, ..., <i>a<sub>n</sub></i>,
-   * <i>x<sub>n+1</sub></i> : <i>a<sub>n+1</sub></i>, ...,
-   * <i>x<sub>n+k</sub></i> : <i>a<sub>n+k</sub></i>).
-   *
-   * Parameters:
-   * 0: the name of the method that is undefined
-   */
-  static const StaticTypeWarningCode UNDEFINED_FUNCTION =
-      const StaticTypeWarningCode(
-          'UNDEFINED_FUNCTION', "The function '{0}' is not defined");
-
-  /**
-   * 12.17 Getter Invocation: Let <i>T</i> be the static type of <i>e</i>. It is
-   * a static type warning if <i>T</i> does not have a getter named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the getter is being looked for
-   */
-  static const StaticTypeWarningCode UNDEFINED_GETTER =
-      const StaticTypeWarningCode('UNDEFINED_GETTER',
-          "The getter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.15.1 Ordinary Invocation: Let <i>T</i> be the static type of <i>o</i>.
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance member named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the method that is undefined
-   * 1: the resolved type name that the method lookup is happening on
-   */
-  static const StaticTypeWarningCode UNDEFINED_METHOD =
-      const StaticTypeWarningCode('UNDEFINED_METHOD',
-          "The method '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.18 Assignment: Evaluation of an assignment of the form
-   * <i>e<sub>1</sub></i>[<i>e<sub>2</sub></i>] = <i>e<sub>3</sub></i> is
-   * equivalent to the evaluation of the expression (a, i, e){a.[]=(i, e);
-   * return e;} (<i>e<sub>1</sub></i>, <i>e<sub>2</sub></i>,
-   * <i>e<sub>2</sub></i>).
-   *
-   * 12.29 Assignable Expressions: An assignable expression of the form
-   * <i>e<sub>1</sub></i>[<i>e<sub>2</sub></i>] is evaluated as a method
-   * invocation of the operator method [] on <i>e<sub>1</sub></i> with argument
-   * <i>e<sub>2</sub></i>.
-   *
-   * 12.15.1 Ordinary Invocation: Let <i>T</i> be the static type of <i>o</i>.
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance member named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the operator
-   * 1: the name of the enclosing type where the operator is being looked for
-   */
-  static const StaticTypeWarningCode UNDEFINED_OPERATOR =
-      const StaticTypeWarningCode('UNDEFINED_OPERATOR',
-          "The operator '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.18 Assignment: Let <i>T</i> be the static type of <i>e<sub>1</sub></i>.
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance setter named <i>v=</i>.
-   *
-   * Parameters:
-   * 0: the name of the setter
-   * 1: the name of the enclosing type where the setter is being looked for
-   *
-   * See [INACCESSIBLE_SETTER].
-   */
-  static const StaticTypeWarningCode UNDEFINED_SETTER =
-      const StaticTypeWarningCode('UNDEFINED_SETTER',
-          "The setter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.17 Getter Invocation: Let <i>T</i> be the static type of <i>e</i>. It is
-   * a static type warning if <i>T</i> does not have a getter named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the getter is being looked for
-   */
-  static const StaticTypeWarningCode UNDEFINED_SUPER_GETTER =
-      const StaticTypeWarningCode('UNDEFINED_SUPER_GETTER',
-          "The getter '{0}' is not defined in a superclass of '{1}'");
-
-  /**
-   * 12.15.4 Super Invocation: A super method invocation <i>i</i> has the form
-   * <i>super.m(a<sub>1</sub>, &hellip;, a<sub>n</sub>, x<sub>n+1</sub>:
-   * a<sub>n+1</sub>, &hellip; x<sub>n+k</sub>: a<sub>n+k</sub>)</i>. It is a
-   * static type warning if <i>S</i> does not have an accessible instance member
-   * named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the method that is undefined
-   * 1: the resolved type name that the method lookup is happening on
-   */
-  static const StaticTypeWarningCode UNDEFINED_SUPER_METHOD =
-      const StaticTypeWarningCode('UNDEFINED_SUPER_METHOD',
-          "The method '{0}' is not defined in a superclass of '{1}'");
-
-  /**
-   * 12.18 Assignment: Evaluation of an assignment of the form
-   * <i>e<sub>1</sub></i>[<i>e<sub>2</sub></i>] = <i>e<sub>3</sub></i> is
-   * equivalent to the evaluation of the expression (a, i, e){a.[]=(i, e);
-   * return e;} (<i>e<sub>1</sub></i>, <i>e<sub>2</sub></i>,
-   * <i>e<sub>2</sub></i>).
-   *
-   * 12.29 Assignable Expressions: An assignable expression of the form
-   * <i>e<sub>1</sub></i>[<i>e<sub>2</sub></i>] is evaluated as a method
-   * invocation of the operator method [] on <i>e<sub>1</sub></i> with argument
-   * <i>e<sub>2</sub></i>.
-   *
-   * 12.15.1 Ordinary Invocation: Let <i>T</i> be the static type of <i>o</i>.
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance member named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the operator
-   * 1: the name of the enclosing type where the operator is being looked for
-   */
-  static const StaticTypeWarningCode UNDEFINED_SUPER_OPERATOR =
-      const StaticTypeWarningCode('UNDEFINED_SUPER_OPERATOR',
-          "The operator '{0}' is not defined in a superclass of '{1}'");
-
-  /**
-   * 12.18 Assignment: Let <i>T</i> be the static type of <i>e<sub>1</sub></i>.
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance setter named <i>v=</i>.
-   *
-   * Parameters:
-   * 0: the name of the setter
-   * 1: the name of the enclosing type where the setter is being looked for
-   *
-   * See [INACCESSIBLE_SETTER].
-   */
-  static const StaticTypeWarningCode UNDEFINED_SUPER_SETTER =
-      const StaticTypeWarningCode('UNDEFINED_SUPER_SETTER',
-          "The setter '{0}' is not defined in a superclass of '{1}'");
-
-  /**
-   * 12.15.1 Ordinary Invocation: It is a static type warning if <i>T</i> does
-   * not have an accessible (3.2) instance member named <i>m</i>.
-   *
-   * This is a specialization of [INSTANCE_ACCESS_TO_STATIC_MEMBER] that is used
-   * when we are able to find the name defined in a supertype. It exists to
-   * provide a more informative error message.
-   */
-  static const StaticTypeWarningCode UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER =
-      const StaticTypeWarningCode(
-          'UNQUALIFIED_REFERENCE_TO_NON_LOCAL_STATIC_MEMBER',
-          "Static members from supertypes must be qualified by the name of the defining type");
-
-  /**
-   * 15.8 Parameterized Types: It is a static type warning if <i>G</i> is not a
-   * generic type with exactly <i>n</i> type parameters.
-   *
-   * Parameters:
-   * 0: the name of the type being referenced (<i>G</i>)
-   * 1: the number of type parameters that were declared
-   * 2: the number of type arguments provided
-   *
-   * See [CompileTimeErrorCode.CONST_WITH_INVALID_TYPE_PARAMETERS], and
-   * [CompileTimeErrorCode.NEW_WITH_INVALID_TYPE_PARAMETERS].
-   */
-  static const StaticTypeWarningCode WRONG_NUMBER_OF_TYPE_ARGUMENTS =
-      const StaticTypeWarningCode('WRONG_NUMBER_OF_TYPE_ARGUMENTS',
-          "The type '{0}' is declared with {1} type parameters, but {2} type arguments were given");
-
-  /**
-   * 17.16.1 Yield: Let T be the static type of e [the expression to the right
-   * of "yield"] and let f be the immediately enclosing function.  It is a
-   * static type warning if either:
-   *
-   * - the body of f is marked async* and the type Stream<T> may not be
-   *   assigned to the declared return type of f.
-   *
-   * - the body of f is marked sync* and the type Iterable<T> may not be
-   *   assigned to the declared return type of f.
-   *
-   * 17.16.2 Yield-Each: Let T be the static type of e [the expression to the
-   * right of "yield*"] and let f be the immediately enclosing function.  It is
-   * a static type warning if T may not be assigned to the declared return type
-   * of f.  If f is synchronous it is a static type warning if T may not be
-   * assigned to Iterable.  If f is asynchronous it is a static type warning if
-   * T may not be assigned to Stream.
-   */
-  static const StaticTypeWarningCode YIELD_OF_INVALID_TYPE =
-      const StaticTypeWarningCode('YIELD_OF_INVALID_TYPE',
-          "The type '{0}' implied by the 'yield' expression must be assignable to '{1}'");
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const StaticTypeWarningCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorType.STATIC_TYPE_WARNING.severity;
-
-  @override
-  ErrorType get type => ErrorType.STATIC_TYPE_WARNING;
-}
-
-/**
- * The error codes used for static warnings. The convention for this class is
- * for the name of the error code to indicate the problem that caused the error
- * to be generated and for the error message to explain what is wrong and, when
- * appropriate, how the problem can be corrected.
- */
-class StaticWarningCode extends ErrorCode {
-  /**
-   * 14.1 Imports: If a name <i>N</i> is referenced by a library <i>L</i> and
-   * <i>N</i> is introduced into the top level scope <i>L</i> by more than one
-   * import then:
-   * 1. A static warning occurs.
-   * 2. If <i>N</i> is referenced as a function, getter or setter, a
-   *    <i>NoSuchMethodError</i> is raised.
-   * 3. If <i>N</i> is referenced as a type, it is treated as a malformed type.
-   *
-   * Parameters:
-   * 0: the name of the ambiguous type
-   * 1: the name of the first library that the type is found
-   * 2: the name of the second library that the type is found
-   */
-  static const StaticWarningCode AMBIGUOUS_IMPORT = const StaticWarningCode(
-      'AMBIGUOUS_IMPORT',
-      "The name '{0}' is defined in the libraries {1}",
-      "Consider using 'as prefix' for one of the import directives "
-      "or hiding the name from all but one of the imports.");
-
-  /**
-   * 12.11.1 New: It is a static warning if the static type of <i>a<sub>i</sub>,
-   * 1 &lt;= i &lt;= n+ k</i> may not be assigned to the type of the
-   * corresponding formal parameter of the constructor <i>T.id</i> (respectively
-   * <i>T</i>).
-   *
-   * 12.11.2 Const: It is a static warning if the static type of
-   * <i>a<sub>i</sub>, 1 &lt;= i &lt;= n+ k</i> may not be assigned to the type
-   * of the corresponding formal parameter of the constructor <i>T.id</i>
-   * (respectively <i>T</i>).
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   *
-   * 12.14.2 Binding Actuals to Formals: Furthermore, each <i>q<sub>i</sub>, 1
-   * &lt;= i &lt;= l</i>, must have a corresponding named parameter in the set
-   * <i>{p<sub>n+1</sub>, &hellip; p<sub>n+k</sub>}</i> or a static warning
-   * occurs. It is a static warning if <i>T<sub>m+j</sub></i> may not be
-   * assigned to <i>S<sub>r</sub></i>, where <i>r = q<sub>j</sub>, 1 &lt;= j
-   * &lt;= l</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual argument type
-   * 1: the name of the expected type
-   */
-  static const StaticWarningCode ARGUMENT_TYPE_NOT_ASSIGNABLE =
-      const StaticWarningCode('ARGUMENT_TYPE_NOT_ASSIGNABLE',
-          "The argument type '{0}' cannot be assigned to the parameter type '{1}'");
-
-  /**
-   * 5 Variables: Attempting to assign to a final variable elsewhere will cause
-   * a NoSuchMethodError to be thrown, because no setter is defined for it. The
-   * assignment will also give rise to a static warning for the same reason.
-   *
-   * A constant variable is always implicitly final.
-   */
-  static const StaticWarningCode ASSIGNMENT_TO_CONST = const StaticWarningCode(
-      'ASSIGNMENT_TO_CONST', "Constant variables cannot be assigned a value");
-
-  /**
-   * 5 Variables: Attempting to assign to a final variable elsewhere will cause
-   * a NoSuchMethodError to be thrown, because no setter is defined for it. The
-   * assignment will also give rise to a static warning for the same reason.
-   */
-  static const StaticWarningCode ASSIGNMENT_TO_FINAL = const StaticWarningCode(
-      'ASSIGNMENT_TO_FINAL', "'{0}' cannot be used as a setter, it is final");
-
-  /**
-   * 5 Variables: Attempting to assign to a final variable elsewhere will cause
-   * a NoSuchMethodError to be thrown, because no setter is defined for it. The
-   * assignment will also give rise to a static warning for the same reason.
-   */
-  static const StaticWarningCode ASSIGNMENT_TO_FINAL_NO_SETTER =
-      const StaticWarningCode('ASSIGNMENT_TO_FINAL_NO_SETTER',
-          "No setter named '{0}' in class '{1}'");
-
-  /**
-   * 12.18 Assignment: It is as static warning if an assignment of the form
-   * <i>v = e</i> occurs inside a top level or static function (be it function,
-   * method, getter, or setter) or variable initializer and there is neither a
-   * local variable declaration with name <i>v</i> nor setter declaration with
-   * name <i>v=</i> in the lexical scope enclosing the assignment.
-   */
-  static const StaticWarningCode ASSIGNMENT_TO_FUNCTION =
-      const StaticWarningCode(
-          'ASSIGNMENT_TO_FUNCTION', "Functions cannot be assigned a value");
-
-  /**
-   * 12.18 Assignment: Let <i>T</i> be the static type of <i>e<sub>1</sub></i>
-   * It is a static type warning if <i>T</i> does not have an accessible
-   * instance setter named <i>v=</i>.
-   */
-  static const StaticWarningCode ASSIGNMENT_TO_METHOD = const StaticWarningCode(
-      'ASSIGNMENT_TO_METHOD', "Methods cannot be assigned a value");
-
-  /**
-   * 12.18 Assignment: It is as static warning if an assignment of the form
-   * <i>v = e</i> occurs inside a top level or static function (be it function,
-   * method, getter, or setter) or variable initializer and there is neither a
-   * local variable declaration with name <i>v</i> nor setter declaration with
-   * name <i>v=</i> in the lexical scope enclosing the assignment.
-   */
-  static const StaticWarningCode ASSIGNMENT_TO_TYPE = const StaticWarningCode(
-      'ASSIGNMENT_TO_TYPE', "Types cannot be assigned a value");
-
-  /**
-   * 13.9 Switch: It is a static warning if the last statement of the statement
-   * sequence <i>s<sub>k</sub></i> is not a break, continue, return or throw
-   * statement.
-   */
-  static const StaticWarningCode CASE_BLOCK_NOT_TERMINATED =
-      const StaticWarningCode('CASE_BLOCK_NOT_TERMINATED',
-          "The last statement of the 'case' should be 'break', 'continue', 'return' or 'throw'");
-
-  /**
-   * 12.32 Type Cast: It is a static warning if <i>T</i> does not denote a type
-   * available in the current lexical scope.
-   */
-  static const StaticWarningCode CAST_TO_NON_TYPE = const StaticWarningCode(
-      'CAST_TO_NON_TYPE',
-      "The name '{0}' is not a type and cannot be used in an 'as' expression");
-
-  /**
-   * 7.4 Abstract Instance Members: It is a static warning if an abstract member
-   * is declared or inherited in a concrete class.
-   */
-  static const StaticWarningCode CONCRETE_CLASS_WITH_ABSTRACT_MEMBER =
-      const StaticWarningCode('CONCRETE_CLASS_WITH_ABSTRACT_MEMBER',
-          "'{0}' must have a method body because '{1}' is not abstract");
-
-  /**
-   * 14.1 Imports: If a name <i>N</i> is referenced by a library <i>L</i> and
-   * <i>N</i> would be introduced into the top level scope of <i>L</i> by an
-   * import from a library whose URI begins with <i>dart:</i> and an import from
-   * a library whose URI does not begin with <i>dart:</i>:
-   * * The import from <i>dart:</i> is implicitly extended by a hide N clause.
-   * * A static warning is issued.
-   *
-   * Parameters:
-   * 0: the ambiguous name
-   * 1: the name of the dart: library in which the element is found
-   * 1: the name of the non-dart: library in which the element is found
-   */
-  static const StaticWarningCode CONFLICTING_DART_IMPORT =
-      const StaticWarningCode('CONFLICTING_DART_IMPORT',
-          "Element '{0}' from SDK library '{1}' is implicitly hidden by '{2}'");
-
-  /**
-   * 7.2 Getters: It is a static warning if a class <i>C</i> declares an
-   * instance getter named <i>v</i> and an accessible static member named
-   * <i>v</i> or <i>v=</i> is declared in a superclass of <i>C</i>.
-   *
-   * Parameters:
-   * 0: the name of the super class declaring a static member
-   */
-  static const StaticWarningCode CONFLICTING_INSTANCE_GETTER_AND_SUPERCLASS_MEMBER =
-      const StaticWarningCode(
-          'CONFLICTING_INSTANCE_GETTER_AND_SUPERCLASS_MEMBER',
-          "Superclass '{0}' declares static member with the same name");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if a class <i>C</i> declares
-   * an instance method named <i>n</i> and has a setter named <i>n=</i>.
-   */
-  static const StaticWarningCode CONFLICTING_INSTANCE_METHOD_SETTER =
-      const StaticWarningCode('CONFLICTING_INSTANCE_METHOD_SETTER',
-          "Class '{0}' declares instance method '{1}', but also has a setter with the same name from '{2}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if a class <i>C</i> declares
-   * an instance method named <i>n</i> and has a setter named <i>n=</i>.
-   */
-  static const StaticWarningCode CONFLICTING_INSTANCE_METHOD_SETTER2 =
-      const StaticWarningCode('CONFLICTING_INSTANCE_METHOD_SETTER2',
-          "Class '{0}' declares the setter '{1}', but also has an instance method in the same class");
-
-  /**
-   * 7.3 Setters: It is a static warning if a class <i>C</i> declares an
-   * instance setter named <i>v=</i> and an accessible static member named
-   * <i>v=</i> or <i>v</i> is declared in a superclass of <i>C</i>.
-   *
-   * Parameters:
-   * 0: the name of the super class declaring a static member
-   */
-  static const StaticWarningCode CONFLICTING_INSTANCE_SETTER_AND_SUPERCLASS_MEMBER =
-      const StaticWarningCode(
-          'CONFLICTING_INSTANCE_SETTER_AND_SUPERCLASS_MEMBER',
-          "Superclass '{0}' declares static member with the same name");
-
-  /**
-   * 7.2 Getters: It is a static warning if a class declares a static getter
-   * named <i>v</i> and also has a non-static setter named <i>v=</i>.
-   */
-  static const StaticWarningCode CONFLICTING_STATIC_GETTER_AND_INSTANCE_SETTER =
-      const StaticWarningCode('CONFLICTING_STATIC_GETTER_AND_INSTANCE_SETTER',
-          "Class '{0}' declares non-static setter with the same name");
-
-  /**
-   * 7.3 Setters: It is a static warning if a class declares a static setter
-   * named <i>v=</i> and also has a non-static member named <i>v</i>.
-   */
-  static const StaticWarningCode CONFLICTING_STATIC_SETTER_AND_INSTANCE_MEMBER =
-      const StaticWarningCode('CONFLICTING_STATIC_SETTER_AND_INSTANCE_MEMBER',
-          "Class '{0}' declares non-static member with the same name");
-
-  /**
-   * 12.11.2 Const: Given an instance creation expression of the form <i>const
-   * q(a<sub>1</sub>, &hellip; a<sub>n</sub>)</i> it is a static warning if
-   * <i>q</i> is the constructor of an abstract class but <i>q</i> is not a
-   * factory constructor.
-   */
-  static const StaticWarningCode CONST_WITH_ABSTRACT_CLASS =
-      const StaticWarningCode('CONST_WITH_ABSTRACT_CLASS',
-          "Abstract classes cannot be created with a 'const' expression");
-
-  /**
-   * 12.7 Maps: It is a static warning if the values of any two keys in a map
-   * literal are equal.
-   */
-  static const StaticWarningCode EQUAL_KEYS_IN_MAP = const StaticWarningCode(
-      'EQUAL_KEYS_IN_MAP', "Keys in a map cannot be equal");
-
-  /**
-   * 14.2 Exports: It is a static warning to export two different libraries with
-   * the same name.
-   *
-   * Parameters:
-   * 0: the uri pointing to a first library
-   * 1: the uri pointing to a second library
-   * 2:e the shared name of the exported libraries
-   */
-  static const StaticWarningCode EXPORT_DUPLICATED_LIBRARY_NAMED =
-      const StaticWarningCode('EXPORT_DUPLICATED_LIBRARY_NAMED',
-          "The exported libraries '{0}' and '{1}' cannot have the same name '{2}'");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: It is a static warning if <i>m &lt;
-   * h</i> or if <i>m &gt; n</i>.
-   *
-   * Parameters:
-   * 0: the maximum number of positional arguments
-   * 1: the actual number of positional arguments given
-   *
-   * See [NOT_ENOUGH_REQUIRED_ARGUMENTS].
-   */
-  static const StaticWarningCode EXTRA_POSITIONAL_ARGUMENTS =
-      const StaticWarningCode('EXTRA_POSITIONAL_ARGUMENTS',
-          "{0} positional arguments expected, but {1} found");
-
-  /**
-   * 5. Variables: It is a static warning if a final instance variable that has
-   * been initialized at its point of declaration is also initialized in a
-   * constructor.
-   */
-  static const StaticWarningCode FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION =
-      const StaticWarningCode(
-          'FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION',
-          "Values cannot be set in the constructor if they are final, and have already been set");
-
-  /**
-   * 5. Variables: It is a static warning if a final instance variable that has
-   * been initialized at its point of declaration is also initialized in a
-   * constructor.
-   *
-   * Parameters:
-   * 0: the name of the field in question
-   */
-  static const StaticWarningCode FINAL_INITIALIZED_IN_DECLARATION_AND_CONSTRUCTOR =
-      const StaticWarningCode(
-          'FINAL_INITIALIZED_IN_DECLARATION_AND_CONSTRUCTOR',
-          "'{0}' is final and was given a value when it was declared, so it cannot be set to a new value");
-
-  /**
-   * 7.6.1 Generative Constructors: Execution of an initializer of the form
-   * <b>this</b>.<i>v</i> = <i>e</i> proceeds as follows: First, the expression
-   * <i>e</i> is evaluated to an object <i>o</i>. Then, the instance variable
-   * <i>v</i> of the object denoted by this is bound to <i>o</i>.
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   *
-   * Parameters:
-   * 0: the name of the type of the initializer expression
-   * 1: the name of the type of the field
-   */
-  static const StaticWarningCode FIELD_INITIALIZER_NOT_ASSIGNABLE =
-      const StaticWarningCode('FIELD_INITIALIZER_NOT_ASSIGNABLE',
-          "The initializer type '{0}' cannot be assigned to the field type '{1}'");
-
-  /**
-   * 7.6.1 Generative Constructors: An initializing formal has the form
-   * <i>this.id</i>. It is a static warning if the static type of <i>id</i> is
-   * not assignable to <i>T<sub>id</sub></i>.
-   *
-   * Parameters:
-   * 0: the name of the type of the field formal parameter
-   * 1: the name of the type of the field
-   */
-  static const StaticWarningCode FIELD_INITIALIZING_FORMAL_NOT_ASSIGNABLE =
-      const StaticWarningCode('FIELD_INITIALIZING_FORMAL_NOT_ASSIGNABLE',
-          "The parameter type '{0}' is incompatable with the field type '{1}'");
-
-  /**
-   * 5 Variables: It is a static warning if a library, static or local variable
-   * <i>v</i> is final and <i>v</i> is not initialized at its point of
-   * declaration.
-   *
-   * Parameters:
-   * 0: the name of the uninitialized final variable
-   */
-  static const StaticWarningCode FINAL_NOT_INITIALIZED =
-      const StaticWarningCode('FINAL_NOT_INITIALIZED',
-          "The final variable '{0}' must be initialized");
-
-  /**
-   * 7.6.1 Generative Constructors: Each final instance variable <i>f</i>
-   * declared in the immediately enclosing class must have an initializer in
-   * <i>k</i>'s initializer list unless it has already been initialized by one
-   * of the following means:
-   * * Initialization at the declaration of <i>f</i>.
-   * * Initialization by means of an initializing formal of <i>k</i>.
-   * or a static warning occurs.
-   *
-   * Parameters:
-   * 0: the name of the uninitialized final variable
-   */
-  static const StaticWarningCode FINAL_NOT_INITIALIZED_CONSTRUCTOR_1 =
-      const StaticWarningCode('FINAL_NOT_INITIALIZED_CONSTRUCTOR_1',
-          "The final variable '{0}' must be initialized");
-
-  /**
-   * 7.6.1 Generative Constructors: Each final instance variable <i>f</i>
-   * declared in the immediately enclosing class must have an initializer in
-   * <i>k</i>'s initializer list unless it has already been initialized by one
-   * of the following means:
-   * * Initialization at the declaration of <i>f</i>.
-   * * Initialization by means of an initializing formal of <i>k</i>.
-   * or a static warning occurs.
-   *
-   * Parameters:
-   * 0: the name of the uninitialized final variable
-   * 1: the name of the uninitialized final variable
-   */
-  static const StaticWarningCode FINAL_NOT_INITIALIZED_CONSTRUCTOR_2 =
-      const StaticWarningCode('FINAL_NOT_INITIALIZED_CONSTRUCTOR_2',
-          "The final variables '{0}' and '{1}' must be initialized");
-
-  /**
-   * 7.6.1 Generative Constructors: Each final instance variable <i>f</i>
-   * declared in the immediately enclosing class must have an initializer in
-   * <i>k</i>'s initializer list unless it has already been initialized by one
-   * of the following means:
-   * * Initialization at the declaration of <i>f</i>.
-   * * Initialization by means of an initializing formal of <i>k</i>.
-   * or a static warning occurs.
-   *
-   * Parameters:
-   * 0: the name of the uninitialized final variable
-   * 1: the name of the uninitialized final variable
-   * 2: the number of additional not initialized variables that aren't listed
-   */
-  static const StaticWarningCode FINAL_NOT_INITIALIZED_CONSTRUCTOR_3_PLUS =
-      const StaticWarningCode('FINAL_NOT_INITIALIZED_CONSTRUCTOR_3',
-          "The final variables '{0}', '{1}' and '{2}' more must be initialized");
-
-  /**
-   * 15.5 Function Types: It is a static warning if a concrete class implements
-   * Function and does not have a concrete method named call().
-   */
-  static const StaticWarningCode FUNCTION_WITHOUT_CALL = const StaticWarningCode(
-      'FUNCTION_WITHOUT_CALL',
-      "Concrete classes that implement Function must implement the method call()");
-
-  /**
-   * 14.1 Imports: It is a static warning to import two different libraries with
-   * the same name.
-   *
-   * Parameters:
-   * 0: the uri pointing to a first library
-   * 1: the uri pointing to a second library
-   * 2: the shared name of the imported libraries
-   */
-  static const StaticWarningCode IMPORT_DUPLICATED_LIBRARY_NAMED =
-      const StaticWarningCode('IMPORT_DUPLICATED_LIBRARY_NAMED',
-          "The imported libraries '{0}' and '{1}' cannot have the same name '{2}'");
-
-  /**
-   * 14.1 Imports: It is a static warning if the specified URI of a deferred
-   * import does not refer to a library declaration.
-   *
-   * Parameters:
-   * 0: the uri pointing to a non-library declaration
-   *
-   * See [CompileTimeErrorCode.IMPORT_OF_NON_LIBRARY].
-   */
-  static const StaticWarningCode IMPORT_OF_NON_LIBRARY =
-      const StaticWarningCode('IMPORT_OF_NON_LIBRARY',
-          "The imported library '{0}' must not have a part-of directive");
-
-  /**
-   * 8.1.1 Inheritance and Overriding: However, if the above rules would cause
-   * multiple members <i>m<sub>1</sub>, &hellip;, m<sub>k</sub></i> with the
-   * same name <i>n</i> that would be inherited (because identically named
-   * members existed in several superinterfaces) then at most one member is
-   * inherited.
-   *
-   * If some but not all of the <i>m<sub>i</sub>, 1 &lt;= i &lt;= k</i> are
-   * getters none of the <i>m<sub>i</sub></i> are inherited, and a static
-   * warning is issued.
-   */
-  static const StaticWarningCode INCONSISTENT_METHOD_INHERITANCE_GETTER_AND_METHOD =
-      const StaticWarningCode(
-          'INCONSISTENT_METHOD_INHERITANCE_GETTER_AND_METHOD',
-          "'{0}' is inherited as a getter and also a method");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if a class <i>C</i> declares
-   * an instance method named <i>n</i> and an accessible static member named
-   * <i>n</i> is declared in a superclass of <i>C</i>.
-   *
-   * Parameters:
-   * 0: the name of the member with the name conflict
-   * 1: the name of the enclosing class that has the static member
-   */
-  static const StaticWarningCode INSTANCE_METHOD_NAME_COLLIDES_WITH_SUPERCLASS_STATIC =
-      const StaticWarningCode(
-          'INSTANCE_METHOD_NAME_COLLIDES_WITH_SUPERCLASS_STATIC',
-          "'{0}' collides with a static member in the superclass '{1}'");
-
-  /**
-   * 7.2 Getters: It is a static warning if a getter <i>m1</i> overrides a
-   * getter <i>m2</i> and the type of <i>m1</i> is not a subtype of the type of
-   * <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual return type
-   * 1: the name of the expected return type, not assignable to the actual
-   *    return type
-   * 2: the name of the class where the overridden getter is declared
-   *
-   * See [INVALID_METHOD_OVERRIDE_RETURN_TYPE].
-   */
-  static const StaticWarningCode INVALID_GETTER_OVERRIDE_RETURN_TYPE =
-      const StaticWarningCode('INVALID_GETTER_OVERRIDE_RETURN_TYPE',
-          "The return type '{0}' is not assignable to '{1}' as required by the getter it is overriding from '{2}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance method <i>m2</i> and the type of <i>m1</i>
-   * is not a subtype of the type of <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual parameter type
-   * 1: the name of the expected parameter type, not assignable to the actual
-   *    parameter type
-   * 2: the name of the class where the overridden method is declared
-   */
-  static const StaticWarningCode INVALID_METHOD_OVERRIDE_NAMED_PARAM_TYPE =
-      const StaticWarningCode('INVALID_METHOD_OVERRIDE_NAMED_PARAM_TYPE',
-          "The parameter type '{0}' is not assignable to '{1}' as required by the method it is overriding from '{2}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance method <i>m2</i> and the type of <i>m1</i>
-   * is not a subtype of the type of <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual parameter type
-   * 1: the name of the expected parameter type, not assignable to the actual
-   *    parameter type
-   * 2: the name of the class where the overridden method is declared
-   * See [INVALID_SETTER_OVERRIDE_NORMAL_PARAM_TYPE].
-   */
-  static const StaticWarningCode INVALID_METHOD_OVERRIDE_NORMAL_PARAM_TYPE =
-      const StaticWarningCode('INVALID_METHOD_OVERRIDE_NORMAL_PARAM_TYPE',
-          "The parameter type '{0}' is not assignable to '{1}' as required by the method it is overriding from '{2}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance method <i>m2</i> and the type of <i>m1</i>
-   * is not a subtype of the type of <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual parameter type
-   * 1: the name of the expected parameter type, not assignable to the actual
-   *    parameter type
-   * 2: the name of the class where the overridden method is declared
-   */
-  static const StaticWarningCode INVALID_METHOD_OVERRIDE_OPTIONAL_PARAM_TYPE =
-      const StaticWarningCode('INVALID_METHOD_OVERRIDE_OPTIONAL_PARAM_TYPE',
-          "The parameter type '{0}' is not assignable to '{1}' as required by the method it is overriding from '{2}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance method <i>m2</i> and the type of <i>m1</i>
-   * is not a subtype of the type of <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual return type
-   * 1: the name of the expected return type, not assignable to the actual
-   *    return type
-   * 2: the name of the class where the overridden method is declared
-   *
-   * See [INVALID_GETTER_OVERRIDE_RETURN_TYPE].
-   */
-  static const StaticWarningCode INVALID_METHOD_OVERRIDE_RETURN_TYPE =
-      const StaticWarningCode('INVALID_METHOD_OVERRIDE_RETURN_TYPE',
-          "The return type '{0}' is not assignable to '{1}' as required by the method it is overriding from '{2}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance member <i>m2</i>, the signature of
-   * <i>m2</i> explicitly specifies a default value for a formal parameter
-   * <i>p</i> and the signature of <i>m1</i> specifies a different default value
-   * for <i>p</i>.
-   */
-  static const StaticWarningCode INVALID_OVERRIDE_DIFFERENT_DEFAULT_VALUES_NAMED =
-      const StaticWarningCode('INVALID_OVERRIDE_DIFFERENT_DEFAULT_VALUES_NAMED',
-          "Parameters cannot override default values, this method overrides '{0}.{1}' where '{2}' has a different value");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance member <i>m2</i>, the signature of
-   * <i>m2</i> explicitly specifies a default value for a formal parameter
-   * <i>p</i> and the signature of <i>m1</i> specifies a different default value
-   * for <i>p</i>.
-   */
-  static const StaticWarningCode INVALID_OVERRIDE_DIFFERENT_DEFAULT_VALUES_POSITIONAL =
-      const StaticWarningCode(
-          'INVALID_OVERRIDE_DIFFERENT_DEFAULT_VALUES_POSITIONAL',
-          "Parameters cannot override default values, this method overrides '{0}.{1}' where this positional parameter has a different value");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance member <i>m2</i> and <i>m1</i> does not
-   * declare all the named parameters declared by <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the number of named parameters in the overridden member
-   * 1: the name of the class from the overridden method
-   */
-  static const StaticWarningCode INVALID_OVERRIDE_NAMED = const StaticWarningCode(
-      'INVALID_OVERRIDE_NAMED',
-      "Missing the named parameter '{0}' to match the overridden method from '{1}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance member <i>m2</i> and <i>m1</i> has fewer
-   * positional parameters than <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the number of positional parameters in the overridden member
-   * 1: the name of the class from the overridden method
-   */
-  static const StaticWarningCode INVALID_OVERRIDE_POSITIONAL =
-      const StaticWarningCode('INVALID_OVERRIDE_POSITIONAL',
-          "Must have at least {0} parameters to match the overridden method from '{1}'");
-
-  /**
-   * 7.1 Instance Methods: It is a static warning if an instance method
-   * <i>m1</i> overrides an instance member <i>m2</i> and <i>m1</i> has a
-   * greater number of required parameters than <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the number of required parameters in the overridden member
-   * 1: the name of the class from the overridden method
-   */
-  static const StaticWarningCode INVALID_OVERRIDE_REQUIRED =
-      const StaticWarningCode('INVALID_OVERRIDE_REQUIRED',
-          "Must have {0} required parameters or less to match the overridden method from '{1}'");
-
-  /**
-   * 7.3 Setters: It is a static warning if a setter <i>m1</i> overrides a
-   * setter <i>m2</i> and the type of <i>m1</i> is not a subtype of the type of
-   * <i>m2</i>.
-   *
-   * Parameters:
-   * 0: the name of the actual parameter type
-   * 1: the name of the expected parameter type, not assignable to the actual
-   * parameter type
-   * 2: the name of the class where the overridden setter is declared
-   *
-   * See [INVALID_METHOD_OVERRIDE_NORMAL_PARAM_TYPE].
-   */
-  static const StaticWarningCode INVALID_SETTER_OVERRIDE_NORMAL_PARAM_TYPE =
-      const StaticWarningCode('INVALID_SETTER_OVERRIDE_NORMAL_PARAM_TYPE',
-          "The parameter type '{0}' is not assignable to '{1}' as required by the setter it is overriding from '{2}'");
-
-  /**
-   * 12.6 Lists: A run-time list literal &lt;<i>E</i>&gt; [<i>e<sub>1</sub></i>
-   * &hellip; <i>e<sub>n</sub></i>] is evaluated as follows:
-   * * The operator []= is invoked on <i>a</i> with first argument <i>i</i> and
-   *   second argument <i>o<sub>i+1</sub></i><i>, 1 &lt;= i &lt;= n</i>
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   */
-  static const StaticWarningCode LIST_ELEMENT_TYPE_NOT_ASSIGNABLE =
-      const StaticWarningCode('LIST_ELEMENT_TYPE_NOT_ASSIGNABLE',
-          "The element type '{0}' cannot be assigned to the list type '{1}'");
-
-  /**
-   * 12.7 Map: A run-time map literal &lt;<i>K</i>, <i>V</i>&gt;
-   * [<i>k<sub>1</sub></i> : <i>e<sub>1</sub></i> &hellip; <i>k<sub>n</sub></i>
-   * : <i>e<sub>n</sub></i>] is evaluated as follows:
-   * * The operator []= is invoked on <i>m</i> with first argument
-   *   <i>k<sub>i</sub></i> and second argument <i>e<sub>i</sub></i><i>, 1 &lt;=
-   *   i &lt;= n</i>
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   */
-  static const StaticWarningCode MAP_KEY_TYPE_NOT_ASSIGNABLE =
-      const StaticWarningCode('MAP_KEY_TYPE_NOT_ASSIGNABLE',
-          "The element type '{0}' cannot be assigned to the map key type '{1}'");
-
-  /**
-   * 12.7 Map: A run-time map literal &lt;<i>K</i>, <i>V</i>&gt;
-   * [<i>k<sub>1</sub></i> : <i>e<sub>1</sub></i> &hellip; <i>k<sub>n</sub></i>
-   * : <i>e<sub>n</sub></i>] is evaluated as follows:
-   * * The operator []= is invoked on <i>m</i> with first argument
-   *   <i>k<sub>i</sub></i> and second argument <i>e<sub>i</sub></i><i>, 1 &lt;=
-   *   i &lt;= n</i>
-   *
-   * 12.14.2 Binding Actuals to Formals: Let <i>T<sub>i</sub></i> be the static
-   * type of <i>a<sub>i</sub></i>, let <i>S<sub>i</sub></i> be the type of
-   * <i>p<sub>i</sub>, 1 &lt;= i &lt;= n+k</i> and let <i>S<sub>q</sub></i> be
-   * the type of the named parameter <i>q</i> of <i>f</i>. It is a static
-   * warning if <i>T<sub>j</sub></i> may not be assigned to <i>S<sub>j</sub>, 1
-   * &lt;= j &lt;= m</i>.
-   */
-  static const StaticWarningCode MAP_VALUE_TYPE_NOT_ASSIGNABLE =
-      const StaticWarningCode('MAP_VALUE_TYPE_NOT_ASSIGNABLE',
-          "The element type '{0}' cannot be assigned to the map value type '{1}'");
-
-  /**
-   * 7.3 Setters: It is a static warning if a class has a setter named <i>v=</i>
-   * with argument type <i>T</i> and a getter named <i>v</i> with return type
-   * <i>S</i>, and <i>T</i> may not be assigned to <i>S</i>.
-   */
-  static const StaticWarningCode MISMATCHED_GETTER_AND_SETTER_TYPES =
-      const StaticWarningCode('MISMATCHED_GETTER_AND_SETTER_TYPES',
-          "The parameter type for setter '{0}' is '{1}' which is not assignable to its getter (of type '{2}')");
-
-  /**
-   * 7.3 Setters: It is a static warning if a class has a setter named <i>v=</i>
-   * with argument type <i>T</i> and a getter named <i>v</i> with return type
-   * <i>S</i>, and <i>T</i> may not be assigned to <i>S</i>.
-   */
-  static const StaticWarningCode MISMATCHED_GETTER_AND_SETTER_TYPES_FROM_SUPERTYPE =
-      const StaticWarningCode(
-          'MISMATCHED_GETTER_AND_SETTER_TYPES_FROM_SUPERTYPE',
-          "The parameter type for setter '{0}' is '{1}' which is not assignable to its getter (of type '{2}'), from superclass '{3}'");
-
-  /**
-   * 13.12 Return: It is a static warning if a function contains both one or
-   * more return statements of the form <i>return;</i> and one or more return
-   * statements of the form <i>return e;</i>.
-   */
-  static const StaticWarningCode MIXED_RETURN_TYPES = const StaticWarningCode(
-      'MIXED_RETURN_TYPES',
-      "Methods and functions cannot use return both with and without values");
-
-  /**
-   * 12.11.1 New: It is a static warning if <i>q</i> is a constructor of an
-   * abstract class and <i>q</i> is not a factory constructor.
-   */
-  static const StaticWarningCode NEW_WITH_ABSTRACT_CLASS =
-      const StaticWarningCode('NEW_WITH_ABSTRACT_CLASS',
-          "Abstract classes cannot be created with a 'new' expression");
-
-  /**
-   * 15.8 Parameterized Types: Any use of a malbounded type gives rise to a
-   * static warning.
-   *
-   * Parameters:
-   * 0: the name of the type being referenced (<i>S</i>)
-   * 1: the number of type parameters that were declared
-   * 2: the number of type arguments provided
-   *
-   * See [CompileTimeErrorCode.CONST_WITH_INVALID_TYPE_PARAMETERS], and
-   * [StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS].
-   */
-  static const StaticWarningCode NEW_WITH_INVALID_TYPE_PARAMETERS =
-      const StaticWarningCode('NEW_WITH_INVALID_TYPE_PARAMETERS',
-          "The type '{0}' is declared with {1} type parameters, but {2} type arguments were given");
-
-  /**
-   * 12.11.1 New: It is a static warning if <i>T</i> is not a class accessible
-   * in the current scope, optionally followed by type arguments.
-   *
-   * Parameters:
-   * 0: the name of the non-type element
-   */
-  static const StaticWarningCode NEW_WITH_NON_TYPE = const StaticWarningCode(
-      'NEW_WITH_NON_TYPE', "The name '{0}' is not a class");
-
-  /**
-   * 12.11.1 New: If <i>T</i> is a class or parameterized type accessible in the
-   * current scope then:
-   * 1. If <i>e</i> is of the form <i>new T.id(a<sub>1</sub>, &hellip;,
-   *    a<sub>n</sub>, x<sub>n+1</sub>: a<sub>n+1</sub>, &hellip;,
-   *    x<sub>n+k</sub>: a<sub>n+k</sub>)</i> it is a static warning if
-   *    <i>T.id</i> is not the name of a constructor declared by the type
-   *    <i>T</i>.
-   * If <i>e</i> of the form <i>new T(a<sub>1</sub>, &hellip;, a<sub>n</sub>,
-   * x<sub>n+1</sub>: a<sub>n+1</sub>, &hellip;, x<sub>n+k</sub>:
-   * a<sub>n+kM/sub>)</i> it is a static warning if the type <i>T</i> does not
-   * declare a constructor with the same name as the declaration of <i>T</i>.
-   */
-  static const StaticWarningCode NEW_WITH_UNDEFINED_CONSTRUCTOR =
-      const StaticWarningCode('NEW_WITH_UNDEFINED_CONSTRUCTOR',
-          "The class '{0}' does not have a constructor '{1}'");
-
-  /**
-   * 12.11.1 New: If <i>T</i> is a class or parameterized type accessible in the
-   * current scope then:
-   * 1. If <i>e</i> is of the form <i>new T.id(a<sub>1</sub>, &hellip;,
-   * a<sub>n</sub>, x<sub>n+1</sub>: a<sub>n+1</sub>, &hellip;, x<sub>n+k</sub>:
-   * a<sub>n+k</sub>)</i> it is a static warning if <i>T.id</i> is not the name
-   * of a constructor declared by the type <i>T</i>. If <i>e</i> of the form
-   * <i>new T(a<sub>1</sub>, &hellip;, a<sub>n</sub>, x<sub>n+1</sub>:
-   * a<sub>n+1</sub>, &hellip;, x<sub>n+k</sub>: a<sub>n+kM/sub>)</i> it is a
-   * static warning if the type <i>T</i> does not declare a constructor with the
-   * same name as the declaration of <i>T</i>.
-   */
-  static const StaticWarningCode NEW_WITH_UNDEFINED_CONSTRUCTOR_DEFAULT =
-      const StaticWarningCode('NEW_WITH_UNDEFINED_CONSTRUCTOR_DEFAULT',
-          "The class '{0}' does not have a default constructor");
-
-  /**
-   * 7.9.1 Inheritance and Overriding: It is a static warning if a non-abstract
-   * class inherits an abstract method.
-   *
-   * 7.10 Superinterfaces: Let <i>C</i> be a concrete class that does not
-   * declare its own <i>noSuchMethod()</i> method. It is a static warning if the
-   * implicit interface of <i>C</i> includes an instance member <i>m</i> of type
-   * <i>F</i> and <i>C</i> does not declare or inherit a corresponding instance
-   * member <i>m</i> of type <i>F'</i> such that <i>F' <: F</i>.
-   *
-   * 7.4 Abstract Instance Members: It is a static warning if an abstract member
-   * is declared or inherited in a concrete class unless that member overrides a
-   * concrete one.
-   *
-   * Parameters:
-   * 0: the name of the first member
-   * 1: the name of the second member
-   * 2: the name of the third member
-   * 3: the name of the fourth member
-   * 4: the number of additional missing members that aren't listed
-   */
-  static const StaticWarningCode NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS =
-      const StaticWarningCode(
-          'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FIVE_PLUS',
-          "Missing concrete implementation of {0}, {1}, {2}, {3} and {4} more");
-
-  /**
-   * 7.9.1 Inheritance and Overriding: It is a static warning if a non-abstract
-   * class inherits an abstract method.
-   *
-   * 7.10 Superinterfaces: Let <i>C</i> be a concrete class that does not
-   * declare its own <i>noSuchMethod()</i> method. It is a static warning if the
-   * implicit interface of <i>C</i> includes an instance member <i>m</i> of type
-   * <i>F</i> and <i>C</i> does not declare or inherit a corresponding instance
-   * member <i>m</i> of type <i>F'</i> such that <i>F' <: F</i>.
-   *
-   * 7.4 Abstract Instance Members: It is a static warning if an abstract member
-   * is declared or inherited in a concrete class unless that member overrides a
-   * concrete one.
-   *
-   * Parameters:
-   * 0: the name of the first member
-   * 1: the name of the second member
-   * 2: the name of the third member
-   * 3: the name of the fourth member
-   */
-  static const StaticWarningCode NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FOUR =
-      const StaticWarningCode(
-          'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_FOUR',
-          "Missing concrete implementation of {0}, {1}, {2} and {3}");
-
-  /**
-   * 7.9.1 Inheritance and Overriding: It is a static warning if a non-abstract
-   * class inherits an abstract method.
-   *
-   * 7.10 Superinterfaces: Let <i>C</i> be a concrete class that does not
-   * declare its own <i>noSuchMethod()</i> method. It is a static warning if the
-   * implicit interface of <i>C</i> includes an instance member <i>m</i> of type
-   * <i>F</i> and <i>C</i> does not declare or inherit a corresponding instance
-   * member <i>m</i> of type <i>F'</i> such that <i>F' <: F</i>.
-   *
-   * 7.4 Abstract Instance Members: It is a static warning if an abstract member
-   * is declared or inherited in a concrete class unless that member overrides a
-   * concrete one.
-   *
-   * Parameters:
-   * 0: the name of the member
-   */
-  static const StaticWarningCode NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE =
-      const StaticWarningCode('NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_ONE',
-          "Missing concrete implementation of {0}");
-
-  /**
-   * 7.9.1 Inheritance and Overriding: It is a static warning if a non-abstract
-   * class inherits an abstract method.
-   *
-   * 7.10 Superinterfaces: Let <i>C</i> be a concrete class that does not
-   * declare its own <i>noSuchMethod()</i> method. It is a static warning if the
-   * implicit interface of <i>C</i> includes an instance member <i>m</i> of type
-   * <i>F</i> and <i>C</i> does not declare or inherit a corresponding instance
-   * member <i>m</i> of type <i>F'</i> such that <i>F' <: F</i>.
-   *
-   * 7.4 Abstract Instance Members: It is a static warning if an abstract member
-   * is declared or inherited in a concrete class unless that member overrides a
-   * concrete one.
-   *
-   * Parameters:
-   * 0: the name of the first member
-   * 1: the name of the second member
-   * 2: the name of the third member
-   */
-  static const StaticWarningCode NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE =
-      const StaticWarningCode(
-          'NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_THREE',
-          "Missing concrete implementation of {0}, {1} and {2}");
-
-  /**
-   * 7.9.1 Inheritance and Overriding: It is a static warning if a non-abstract
-   * class inherits an abstract method.
-   *
-   * 7.10 Superinterfaces: Let <i>C</i> be a concrete class that does not
-   * declare its own <i>noSuchMethod()</i> method. It is a static warning if the
-   * implicit interface of <i>C</i> includes an instance member <i>m</i> of type
-   * <i>F</i> and <i>C</i> does not declare or inherit a corresponding instance
-   * member <i>m</i> of type <i>F'</i> such that <i>F' <: F</i>.
-   *
-   * 7.4 Abstract Instance Members: It is a static warning if an abstract member
-   * is declared or inherited in a concrete class unless that member overrides a
-   * concrete one.
-   *
-   * Parameters:
-   * 0: the name of the first member
-   * 1: the name of the second member
-   */
-  static const StaticWarningCode NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_TWO =
-      const StaticWarningCode('NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER_TWO',
-          "Missing concrete implementation of {0} and {1}");
-
-  /**
-   * 13.11 Try: An on-catch clause of the form <i>on T catch (p<sub>1</sub>,
-   * p<sub>2</sub>) s</i> or <i>on T s</i> matches an object <i>o</i> if the
-   * type of <i>o</i> is a subtype of <i>T</i>. It is a static warning if
-   * <i>T</i> does not denote a type available in the lexical scope of the
-   * catch clause.
-   *
-   * Parameters:
-   * 0: the name of the non-type element
-   */
-  static const StaticWarningCode NON_TYPE_IN_CATCH_CLAUSE =
-      const StaticWarningCode('NON_TYPE_IN_CATCH_CLAUSE',
-          "The name '{0}' is not a type and cannot be used in an on-catch clause");
-
-  /**
-   * 7.1.1 Operators: It is a static warning if the return type of the
-   * user-declared operator []= is explicitly declared and not void.
-   */
-  static const StaticWarningCode NON_VOID_RETURN_FOR_OPERATOR =
-      const StaticWarningCode('NON_VOID_RETURN_FOR_OPERATOR',
-          "The return type of the operator []= must be 'void'");
-
-  /**
-   * 7.3 Setters: It is a static warning if a setter declares a return type
-   * other than void.
-   */
-  static const StaticWarningCode NON_VOID_RETURN_FOR_SETTER =
-      const StaticWarningCode('NON_VOID_RETURN_FOR_SETTER',
-          "The return type of the setter must be 'void'");
-
-  /**
-   * 15.1 Static Types: A type <i>T</i> is malformed iff:
-   * * <i>T</i> has the form <i>id</i> or the form <i>prefix.id</i>, and in the
-   *   enclosing lexical scope, the name <i>id</i> (respectively
-   *   <i>prefix.id</i>) does not denote a type.
-   * * <i>T</i> denotes a type parameter in the enclosing lexical scope, but
-   * occurs in the signature or body of a static member.
-   * * <i>T</i> is a parameterized type of the form <i>G&lt;S<sub>1</sub>, ..,
-   * S<sub>n</sub>&gt;</i>,
-   *
-   * Any use of a malformed type gives rise to a static warning.
-   *
-   * Parameters:
-   * 0: the name that is not a type
-   */
-  static const StaticWarningCode NOT_A_TYPE =
-      const StaticWarningCode('NOT_A_TYPE', "{0} is not a type");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: It is a static warning if <i>m &lt;
-   * h</i> or if <i>m &gt; n</i>.
-   *
-   * Parameters:
-   * 0: the expected number of required arguments
-   * 1: the actual number of positional arguments given
-   *
-   * See [EXTRA_POSITIONAL_ARGUMENTS].
-   */
-  static const StaticWarningCode NOT_ENOUGH_REQUIRED_ARGUMENTS =
-      const StaticWarningCode('NOT_ENOUGH_REQUIRED_ARGUMENTS',
-          "{0} required argument(s) expected, but {1} found");
-
-  /**
-   * 14.3 Parts: It is a static warning if the referenced part declaration
-   * <i>p</i> names a library other than the current library as the library to
-   * which <i>p</i> belongs.
-   *
-   * Parameters:
-   * 0: the name of expected library name
-   * 1: the non-matching actual library name from the "part of" declaration
-   */
-  static const StaticWarningCode PART_OF_DIFFERENT_LIBRARY =
-      const StaticWarningCode('PART_OF_DIFFERENT_LIBRARY',
-          "Expected this library to be part of '{0}', not '{1}'");
-
-  /**
-   * 7.6.2 Factories: It is a static warning if the function type of <i>k'</i>
-   * is not a subtype of the type of <i>k</i>.
-   *
-   * Parameters:
-   * 0: the name of the redirected constructor
-   * 1: the name of the redirecting constructor
-   */
-  static const StaticWarningCode REDIRECT_TO_INVALID_FUNCTION_TYPE =
-      const StaticWarningCode('REDIRECT_TO_INVALID_FUNCTION_TYPE',
-          "The redirected constructor '{0}' has incompatible parameters with '{1}'");
-
-  /**
-   * 7.6.2 Factories: It is a static warning if the function type of <i>k'</i>
-   * is not a subtype of the type of <i>k</i>.
-   *
-   * Parameters:
-   * 0: the name of the redirected constructor return type
-   * 1: the name of the redirecting constructor return type
-   */
-  static const StaticWarningCode REDIRECT_TO_INVALID_RETURN_TYPE =
-      const StaticWarningCode('REDIRECT_TO_INVALID_RETURN_TYPE',
-          "The return type '{0}' of the redirected constructor is not assignable to '{1}'");
-
-  /**
-   * 7.6.2 Factories: It is a static warning if type does not denote a class
-   * accessible in the current scope; if type does denote such a class <i>C</i>
-   * it is a static warning if the referenced constructor (be it <i>type</i> or
-   * <i>type.id</i>) is not a constructor of <i>C</i>.
-   */
-  static const StaticWarningCode REDIRECT_TO_MISSING_CONSTRUCTOR =
-      const StaticWarningCode('REDIRECT_TO_MISSING_CONSTRUCTOR',
-          "The constructor '{0}' could not be found in '{1}'");
-
-  /**
-   * 7.6.2 Factories: It is a static warning if type does not denote a class
-   * accessible in the current scope; if type does denote such a class <i>C</i>
-   * it is a static warning if the referenced constructor (be it <i>type</i> or
-   * <i>type.id</i>) is not a constructor of <i>C</i>.
-   */
-  static const StaticWarningCode REDIRECT_TO_NON_CLASS = const StaticWarningCode(
-      'REDIRECT_TO_NON_CLASS',
-      "The name '{0}' is not a type and cannot be used in a redirected constructor");
-
-  /**
-   * 13.12 Return: Let <i>f</i> be the function immediately enclosing a return
-   * statement of the form <i>return;</i> It is a static warning if both of the
-   * following conditions hold:
-   * * <i>f</i> is not a generative constructor.
-   * * The return type of <i>f</i> may not be assigned to void.
-   */
-  static const StaticWarningCode RETURN_WITHOUT_VALUE = const StaticWarningCode(
-      'RETURN_WITHOUT_VALUE', "Missing return value after 'return'");
-
-  /**
-   * 12.16.3 Static Invocation: It is a static warning if <i>C</i> does not
-   * declare a static method or getter <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the instance member
-   */
-  static const StaticWarningCode STATIC_ACCESS_TO_INSTANCE_MEMBER =
-      const StaticWarningCode('STATIC_ACCESS_TO_INSTANCE_MEMBER',
-          "Instance member '{0}' cannot be accessed using static access");
-
-  /**
-   * 13.9 Switch: It is a static warning if the type of <i>e</i> may not be
-   * assigned to the type of <i>e<sub>k</sub></i>.
-   */
-  static const StaticWarningCode SWITCH_EXPRESSION_NOT_ASSIGNABLE =
-      const StaticWarningCode('SWITCH_EXPRESSION_NOT_ASSIGNABLE',
-          "Type '{0}' of the switch expression is not assignable to the type '{1}' of case expressions");
-
-  /**
-   * 15.1 Static Types: It is a static warning to use a deferred type in a type
-   * annotation.
-   *
-   * Parameters:
-   * 0: the name of the type that is deferred and being used in a type
-   *    annotation
-   */
-  static const StaticWarningCode TYPE_ANNOTATION_DEFERRED_CLASS =
-      const StaticWarningCode('TYPE_ANNOTATION_DEFERRED_CLASS',
-          "The deferred type '{0}' cannot be used in a declaration, cast or type test");
-
-  /**
-   * 12.31 Type Test: It is a static warning if <i>T</i> does not denote a type
-   * available in the current lexical scope.
-   */
-  static const StaticWarningCode TYPE_TEST_WITH_NON_TYPE = const StaticWarningCode(
-      'TYPE_TEST_WITH_NON_TYPE',
-      "The name '{0}' is not a type and cannot be used in an 'is' expression");
-
-  /**
-   * 12.31 Type Test: It is a static warning if <i>T</i> does not denote a type
-   * available in the current lexical scope.
-   */
-  static const StaticWarningCode TYPE_TEST_WITH_UNDEFINED_NAME =
-      const StaticWarningCode('TYPE_TEST_WITH_UNDEFINED_NAME',
-          "The name '{0}' is not defined and cannot be used in an 'is' expression");
-
-  /**
-   * 10 Generics: However, a type parameter is considered to be a malformed type
-   * when referenced by a static member.
-   *
-   * 15.1 Static Types: Any use of a malformed type gives rise to a static
-   * warning. A malformed type is then interpreted as dynamic by the static type
-   * checker and the runtime.
-   */
-  static const StaticWarningCode TYPE_PARAMETER_REFERENCED_BY_STATIC =
-      const StaticWarningCode('TYPE_PARAMETER_REFERENCED_BY_STATIC',
-          "Static members cannot reference type parameters");
-
-  /**
-   * 12.16.3 Static Invocation: A static method invocation <i>i</i> has the form
-   * <i>C.m(a<sub>1</sub>, &hellip;, a<sub>n</sub>, x<sub>n+1</sub>:
-   * a<sub>n+1</sub>, &hellip; x<sub>n+k</sub>: a<sub>n+k</sub>)</i>. It is a
-   * static warning if <i>C</i> does not denote a class in the current scope.
-   *
-   * Parameters:
-   * 0: the name of the undefined class
-   */
-  static const StaticWarningCode UNDEFINED_CLASS =
-      const StaticWarningCode('UNDEFINED_CLASS', "Undefined class '{0}'");
-
-  /**
-   * Same as [UNDEFINED_CLASS], but to catch using "boolean" instead of "bool".
-   */
-  static const StaticWarningCode UNDEFINED_CLASS_BOOLEAN =
-      const StaticWarningCode('UNDEFINED_CLASS_BOOLEAN',
-          "Undefined class 'boolean'; did you mean 'bool'?");
-
-  /**
-   * 12.17 Getter Invocation: It is a static warning if there is no class
-   * <i>C</i> in the enclosing lexical scope of <i>i</i>, or if <i>C</i> does
-   * not declare, implicitly or explicitly, a getter named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the getter is being looked for
-   */
-  static const StaticWarningCode UNDEFINED_GETTER = const StaticWarningCode(
-      'UNDEFINED_GETTER',
-      "The getter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.30 Identifier Reference: It is as static warning if an identifier
-   * expression of the form <i>id</i> occurs inside a top level or static
-   * function (be it function, method, getter, or setter) or variable
-   * initializer and there is no declaration <i>d</i> with name <i>id</i> in the
-   * lexical scope enclosing the expression.
-   *
-   * Parameters:
-   * 0: the name of the identifier
-   */
-  static const StaticWarningCode UNDEFINED_IDENTIFIER =
-      const StaticWarningCode('UNDEFINED_IDENTIFIER', "Undefined name '{0}'");
-
-  /**
-   * 12.14.2 Binding Actuals to Formals: Furthermore, each <i>q<sub>i</sub></i>,
-   * <i>1<=i<=l</i>, must have a corresponding named parameter in the set
-   * {<i>p<sub>n+1</sub></i> &hellip; <i>p<sub>n+k</sub></i>} or a static
-   * warning occurs.
-   *
-   * Parameters:
-   * 0: the name of the requested named parameter
-   */
-  static const StaticWarningCode UNDEFINED_NAMED_PARAMETER =
-      const StaticWarningCode('UNDEFINED_NAMED_PARAMETER',
-          "The named parameter '{0}' is not defined");
-
-  /**
-   * 12.18 Assignment: It is as static warning if an assignment of the form
-   * <i>v = e</i> occurs inside a top level or static function (be it function,
-   * method, getter, or setter) or variable initializer and there is no
-   * declaration <i>d</i> with name <i>v=</i> in the lexical scope enclosing the
-   * assignment.
-   *
-   * 12.18 Assignment: It is a static warning if there is no class <i>C</i> in
-   * the enclosing lexical scope of the assignment, or if <i>C</i> does not
-   * declare, implicitly or explicitly, a setter <i>v=</i>.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the setter is being looked for
-   */
-  static const StaticWarningCode UNDEFINED_SETTER = const StaticWarningCode(
-      'UNDEFINED_SETTER',
-      "The setter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.16.3 Static Invocation: It is a static warning if <i>C</i> does not
-   * declare a static method or getter <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the method
-   * 1: the name of the enclosing type where the method is being looked for
-   */
-  static const StaticWarningCode UNDEFINED_STATIC_METHOD_OR_GETTER =
-      const StaticWarningCode('UNDEFINED_STATIC_METHOD_OR_GETTER',
-          "The static method, getter or setter '{0}' is not defined for the class '{1}'");
-
-  /**
-   * 12.17 Getter Invocation: It is a static warning if there is no class
-   * <i>C</i> in the enclosing lexical scope of <i>i</i>, or if <i>C</i> does
-   * not declare, implicitly or explicitly, a getter named <i>m</i>.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the getter is being looked for
-   */
-  static const StaticWarningCode UNDEFINED_SUPER_GETTER =
-      const StaticWarningCode('UNDEFINED_SUPER_GETTER',
-          "The getter '{0}' is not defined in a superclass of '{1}'");
-
-  /**
-   * 12.18 Assignment: It is as static warning if an assignment of the form
-   * <i>v = e</i> occurs inside a top level or static function (be it function,
-   * method, getter, or setter) or variable initializer and there is no
-   * declaration <i>d</i> with name <i>v=</i> in the lexical scope enclosing the
-   * assignment.
-   *
-   * 12.18 Assignment: It is a static warning if there is no class <i>C</i> in
-   * the enclosing lexical scope of the assignment, or if <i>C</i> does not
-   * declare, implicitly or explicitly, a setter <i>v=</i>.
-   *
-   * Parameters:
-   * 0: the name of the getter
-   * 1: the name of the enclosing type where the setter is being looked for
-   */
-  static const StaticWarningCode UNDEFINED_SUPER_SETTER =
-      const StaticWarningCode('UNDEFINED_SUPER_SETTER',
-          "The setter '{0}' is not defined in a superclass of '{1}'");
-
-  /**
-   * 7.2 Getters: It is a static warning if the return type of a getter is void.
-   */
-  static const StaticWarningCode VOID_RETURN_FOR_GETTER =
-      const StaticWarningCode('VOID_RETURN_FOR_GETTER',
-          "The return type of the getter must not be 'void'");
-
-  /**
-   * Initialize a newly created error code to have the given [name]. The message
-   * associated with the error will be created from the given [message]
-   * template. The correction associated with the error will be created from the
-   * given [correction] template.
-   */
-  const StaticWarningCode(String name, String message, [String correction])
-      : super(name, message, correction);
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorType.STATIC_WARNING.severity;
-
-  @override
-  ErrorType get type => ErrorType.STATIC_WARNING;
-}
-
-/**
- * The error code indicating a marker in code for work that needs to be finished
- * or revisited.
- */
-class TodoCode extends ErrorCode {
-  /**
-   * The single enum of TodoCode.
-   */
-  static const TodoCode TODO = const TodoCode('TODO');
-
-  /**
-   * This matches the two common Dart task styles
-   *
-   * * TODO:
-   * * TODO(username):
-   *
-   * As well as
-   * * TODO
-   *
-   * But not
-   * * todo
-   * * TODOS
-   */
-  static RegExp TODO_REGEX =
-      new RegExp("([\\s/\\*])((TODO[^\\w\\d][^\\r\\n]*)|(TODO:?\$))");
-
-  /**
-   * Initialize a newly created error code to have the given [name].
-   */
-  const TodoCode(String name) : super(name, "{0}");
-
-  @override
-  ErrorSeverity get errorSeverity => ErrorSeverity.INFO;
-
-  @override
-  ErrorType get type => ErrorType.TODO;
-}
+export 'package:analyzer/error/error.dart';
+export 'package:analyzer/error/listener.dart';
+export 'package:analyzer/src/error/codes.dart';
+export 'package:analyzer/src/task/options.dart'
+    show CONFIGURED_ERROR_PROCESSORS;