Push new analyzer-experimental with Resolver and ResolverTest.

pkg/analyzer-experimental/lib/src/generated/element.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.element;
 
 import 'dart:collection';
 import 'java_core.dart';
 import 'java_engine.dart';
 import 'source.dart';
 import 'scanner.dart' show Keyword;
-import 'ast.dart';
+import 'ast.dart' show Identifier, LibraryIdentifier;
+import 'html.dart' show XmlTagNode;
 import 'engine.dart' show AnalysisContext;
 import 'utilities_dart.dart';
 
 /**
  * The interface {@code Annotation} defines the behavior of objects representing a single annotation
  * associated with an element.
+ * @coverage dart.engine.element
  */
 abstract class Annotation {
   /**
    * Return the element representing the field, variable, or const constructor being used as an
    * annotation.
    * @return the field, variable, or constructor being used as an annotation
    */
   Element get element;
 }
 /**
  * The interface {@code ClassElement} defines the behavior of elements that represent a class.
+ * @coverage dart.engine.element
  */
 abstract class ClassElement implements Element {
   /**
    * Return an array containing all of the accessors (getters and setters) declared in this class.
    * @return the accessors declared in this class
    */
   List<PropertyAccessorElement> get accessors;
   /**
    * Return an array containing all the supertypes defined for this class and its supertypes.
    * @return all the supertypes of this class, including mixins
@@ skipping 134 matching lines @@
    * @param setterName the name of the setter being looked up
    * @param library the library with respect to which the lookup is being performed
    * @return the result of looking up the given setter in this class with respect to the given
    * library
    */
   PropertyAccessorElement lookUpSetter(String setterName, LibraryElement library);
 }
 /**
  * The interface {@code CompilationUnitElement} defines the behavior of elements representing a
  * compilation unit.
+ * @coverage dart.engine.element
  */
 abstract class CompilationUnitElement implements Element {
   /**
    * Return an array containing all of the top-level accessors (getters and setters) contained in
    * this compilation unit.
    * @return the top-level accessors contained in this compilation unit
    */
   List<PropertyAccessorElement> get accessors;
   /**
    * Return the library in which this compilation unit is defined.
    * @return the library in which this compilation unit is defined
    */
   LibraryElement get enclosingElement;
   /**
    * Return an array containing all of the top-level functions contained in this compilation unit.
    * @return the top-level functions contained in this compilation unit
    */
   List<FunctionElement> get functions;
   /**
+   * Return an array containing all of the top-level variables contained in this compilation unit.
+   * @return the top-level variables contained in this compilation unit
+   */
+  List<TopLevelVariableElement> get topLevelVariables;
+  /**
    * Return an array containing all of the type aliases contained in this compilation unit.
    * @return the type aliases contained in this compilation unit
    */
   List<TypeAliasElement> get typeAliases;
   /**
    * Return an array containing all of the classes contained in this compilation unit.
    * @return the classes contained in this compilation unit
    */
   List<ClassElement> get types;
-  /**
-   * Return an array containing all of the top-level variables contained in this compilation unit.
-   * @return the top-level variables contained in this compilation unit
-   */
-  List<TopLevelVariableElement> get topLevelVariables;
 }
 /**
  * The interface {@code ConstructorElement} defines the behavior of elements representing a
  * constructor or a factory method defined within a type.
+ * @coverage dart.engine.element
  */
 abstract class ConstructorElement implements ExecutableElement {
   /**
    * Return the type in which this constructor is defined.
    * @return the type in which this constructor is defined
    */
   ClassElement get enclosingElement;
   /**
    * Return {@code true} if this constructor is a const constructor.
    * @return {@code true} if this constructor is a const constructor
@@ skipping 17 matching lines @@
  * <ul>
  * <li>default constructors in classes that do not define any explicit constructors,
  * <li>getters and setters that are induced by explicit field declarations,
  * <li>fields that are induced by explicit declarations of getters and setters, and
  * <li>functions representing the initialization expression for a variable.
  * </ul>
  * <p>
  * Second, there are elements in the element model that do not have a name. These correspond to
  * unnamed functions and exist in order to more accurately represent the semantic structure of the
  * program.
+ * @coverage dart.engine.element
  */
 abstract class Element {
   /**
    * A comparator that can be used to sort elements by their name offset. Elements with a smaller
    * offset will be sorted to be before elements with a larger name offset.
    */
   static Comparator<Element> SORT_BY_OFFSET = (Element firstElement, Element secondElement) => firstElement.nameOffset - secondElement.nameOffset;
   /**
    * Use the given visitor to visit this element.
    * @param visitor the visitor that will visit this element
@@ skipping 75 matching lines @@
   bool isSynthetic();
   /**
    * Use the given visitor to visit all of the children of this element. There is no guarantee of
    * the order in which the children will be visited.
    * @param visitor the visitor that will be used to visit the children of this element
    */
   void visitChildren(ElementVisitor<Object> visitor);
 }
 /**
  * The enumeration {@code ElementKind} defines the various kinds of elements in the element model.
+ * @coverage dart.engine.element
  */
 class ElementKind {
   static final ElementKind CLASS = new ElementKind('CLASS', 0, "class");
   static final ElementKind COMPILATION_UNIT = new ElementKind('COMPILATION_UNIT', 1, "compilation unit");
   static final ElementKind CONSTRUCTOR = new ElementKind('CONSTRUCTOR', 2, "constructor");
   static final ElementKind DYNAMIC = new ElementKind('DYNAMIC', 3, "<dynamic>");
-  static final ElementKind ERROR = new ElementKind('ERROR', 4, "<error>");
-  static final ElementKind EXPORT = new ElementKind('EXPORT', 5, "export directive");
-  static final ElementKind FIELD = new ElementKind('FIELD', 6, "field");
-  static final ElementKind FUNCTION = new ElementKind('FUNCTION', 7, "function");
-  static final ElementKind GETTER = new ElementKind('GETTER', 8, "getter");
-  static final ElementKind HTML = new ElementKind('HTML', 9, "html");
-  static final ElementKind IMPORT = new ElementKind('IMPORT', 10, "import directive");
-  static final ElementKind LABEL = new ElementKind('LABEL', 11, "label");
-  static final ElementKind LIBRARY = new ElementKind('LIBRARY', 12, "library");
-  static final ElementKind LOCAL_VARIABLE = new ElementKind('LOCAL_VARIABLE', 13, "local variable");
-  static final ElementKind METHOD = new ElementKind('METHOD', 14, "method");
-  static final ElementKind NAME = new ElementKind('NAME', 15, "<name>");
-  static final ElementKind PARAMETER = new ElementKind('PARAMETER', 16, "parameter");
-  static final ElementKind PREFIX = new ElementKind('PREFIX', 17, "import prefix");
-  static final ElementKind SETTER = new ElementKind('SETTER', 18, "setter");
-  static final ElementKind TOP_LEVEL_VARIABLE = new ElementKind('TOP_LEVEL_VARIABLE', 19, "top level variable");
-  static final ElementKind TYPE_ALIAS = new ElementKind('TYPE_ALIAS', 20, "function type alias");
-  static final ElementKind TYPE_VARIABLE = new ElementKind('TYPE_VARIABLE', 21, "type variable");
-  static final ElementKind UNIVERSE = new ElementKind('UNIVERSE', 22, "<universe>");
-  static final List<ElementKind> values = [CLASS, COMPILATION_UNIT, CONSTRUCTOR, DYNAMIC, ERROR, EXPORT, FIELD, FUNCTION, GETTER, HTML, IMPORT, LABEL, LIBRARY, LOCAL_VARIABLE, METHOD, NAME, PARAMETER, PREFIX, SETTER, TOP_LEVEL_VARIABLE, TYPE_ALIAS, TYPE_VARIABLE, UNIVERSE];
+  static final ElementKind EMBEDDED_HTML_SCRIPT = new ElementKind('EMBEDDED_HTML_SCRIPT', 4, "embedded html script");
+  static final ElementKind ERROR = new ElementKind('ERROR', 5, "<error>");
+  static final ElementKind EXPORT = new ElementKind('EXPORT', 6, "export directive");
+  static final ElementKind EXTERNAL_HTML_SCRIPT = new ElementKind('EXTERNAL_HTML_SCRIPT', 7, "external html script");
+  static final ElementKind FIELD = new ElementKind('FIELD', 8, "field");
+  static final ElementKind FUNCTION = new ElementKind('FUNCTION', 9, "function");
+  static final ElementKind GETTER = new ElementKind('GETTER', 10, "getter");
+  static final ElementKind HTML = new ElementKind('HTML', 11, "html");
+  static final ElementKind IMPORT = new ElementKind('IMPORT', 12, "import directive");
+  static final ElementKind LABEL = new ElementKind('LABEL', 13, "label");
+  static final ElementKind LIBRARY = new ElementKind('LIBRARY', 14, "library");
+  static final ElementKind LOCAL_VARIABLE = new ElementKind('LOCAL_VARIABLE', 15, "local variable");
+  static final ElementKind METHOD = new ElementKind('METHOD', 16, "method");
+  static final ElementKind NAME = new ElementKind('NAME', 17, "<name>");
+  static final ElementKind PARAMETER = new ElementKind('PARAMETER', 18, "parameter");
+  static final ElementKind PREFIX = new ElementKind('PREFIX', 19, "import prefix");
+  static final ElementKind SETTER = new ElementKind('SETTER', 20, "setter");
+  static final ElementKind TOP_LEVEL_VARIABLE = new ElementKind('TOP_LEVEL_VARIABLE', 21, "top level variable");
+  static final ElementKind TYPE_ALIAS = new ElementKind('TYPE_ALIAS', 22, "function type alias");
+  static final ElementKind TYPE_VARIABLE = new ElementKind('TYPE_VARIABLE', 23, "type variable");
+  static final ElementKind UNIVERSE = new ElementKind('UNIVERSE', 24, "<universe>");
+  static final List<ElementKind> values = [CLASS, COMPILATION_UNIT, CONSTRUCTOR, DYNAMIC, EMBEDDED_HTML_SCRIPT, ERROR, EXPORT, EXTERNAL_HTML_SCRIPT, FIELD, FUNCTION, GETTER, HTML, IMPORT, LABEL, LIBRARY, LOCAL_VARIABLE, METHOD, NAME, PARAMETER, PREFIX, SETTER, TOP_LEVEL_VARIABLE, TYPE_ALIAS, TYPE_VARIABLE, UNIVERSE];
   final String __name;
   final int __ordinal;
+  int get ordinal => __ordinal;
   String _displayName;
   ElementKind(this.__name, this.__ordinal, String displayName) {
     this._displayName = displayName;
   }
   /**
    * @return the name of this {@link ElementKind} to display in UI.
    */
   String get displayName => _displayName;
   String toString() => __name;
 }
 /**
  * The interface {@code ElementLocation} defines the behavior of objects that represent the location
  * of an element within the element model.
+ * @coverage dart.engine.element
  */
 abstract class ElementLocation {
   /**
    * Return an encoded representation of this location that can be used to create a location that is
    * equal to this location.
    * @return an encoded representation of this location
    */
   String get encoding;
 }
 /**
  * The interface {@code ElementVisitor} defines the behavior of objects that can be used to visit an
  * element structure.
+ * @coverage dart.engine.element
  */
 abstract class ElementVisitor<R> {
   R visitClassElement(ClassElement element);
   R visitCompilationUnitElement(CompilationUnitElement element);
   R visitConstructorElement(ConstructorElement element);
+  R visitEmbeddedHtmlScriptElement(EmbeddedHtmlScriptElement element);
   R visitExportElement(ExportElement element);
+  R visitExternalHtmlScriptElement(ExternalHtmlScriptElement element);
   R visitFieldElement(FieldElement element);
   R visitFunctionElement(FunctionElement element);
   R visitHtmlElement(HtmlElement element);
   R visitImportElement(ImportElement element);
   R visitLabelElement(LabelElement element);
   R visitLibraryElement(LibraryElement element);
   R visitLocalVariableElement(LocalVariableElement element);
   R visitMethodElement(MethodElement element);
   R visitMultiplyDefinedElement(MultiplyDefinedElement element);
   R visitParameterElement(ParameterElement element);
   R visitPrefixElement(PrefixElement element);
   R visitPropertyAccessorElement(PropertyAccessorElement element);
   R visitTopLevelVariableElement(TopLevelVariableElement element);
   R visitTypeAliasElement(TypeAliasElement element);
   R visitTypeVariableElement(TypeVariableElement element);
 }
 /**
  * The interface {@code EmbeddedHtmlScriptElement} defines the behavior of elements representing a
  * script tag in an HTML file having content that defines a Dart library.
+ * @coverage dart.engine.element
  */
 abstract class EmbeddedHtmlScriptElement implements HtmlScriptElement {
   /**
-   * Return the library element defined by the content of the script tag, or {@code null} if the
-   * content does not define a library.
-   * @return the library element
+   * Return the library element defined by the content of the script tag.
+   * @return the library element (not {@code null})
    */
   LibraryElement get scriptLibrary;
 }
 /**
  * The interface {@code ExecutableElement} defines the behavior of elements representing an
  * executable object, including functions, methods, constructors, getters, and setters.
+ * @coverage dart.engine.element
  */
 abstract class ExecutableElement implements Element {
   /**
    * Return an array containing all of the functions defined within this executable element.
    * @return the functions defined within this executable element
    */
   List<FunctionElement> get functions;
   /**
    * Return an array containing all of the labels defined within this executable element.
    * @return the labels defined within this executable element
@@ skipping 17 matching lines @@
   /**
    * Return {@code true} if this element is a static element. A static element is an element that is
    * not associated with a particular instance, but rather with an entire library or class.
    * @return {@code true} if this executable element is a static element
    */
   bool isStatic();
 }
 /**
  * The interface {@code ExportElement} defines the behavior of objects representing information
  * about a single export directive within a library.
+ * @coverage dart.engine.element
  */
 abstract class ExportElement implements Element {
   /**
    * An empty array of export elements.
    */
   static List<ExportElement> EMPTY_ARRAY = new List<ExportElement>(0);
   /**
    * Return an array containing the combinators that were specified as part of the export directive
    * in the order in which they were specified.
    * @return the combinators specified in the export directive
    */
   List<NamespaceCombinator> get combinators;
   /**
    * Return the library that is exported from this library by this export directive.
    * @return the library that is exported from this library
    */
   LibraryElement get exportedLibrary;
 }
 /**
  * The interface {@code ExternalHtmlScriptElement} defines the behavior of elements representing a
  * script tag in an HTML file having a {@code source} attribute that references a Dart library
  * source file.
+ * @coverage dart.engine.element
  */
 abstract class ExternalHtmlScriptElement implements HtmlScriptElement {
   /**
    * Return the source referenced by this element, or {@code null} if this element does not
    * reference a Dart library source file.
    * @return the source for the external Dart library
    */
   Source get scriptSource;
 }
 /**
  * The interface {@code FieldElement} defines the behavior of elements representing a field defined
  * within a type.
+ * @coverage dart.engine.element
  */
 abstract class FieldElement implements PropertyInducingElement {
   /**
    * Return the type in which this field is defined.
    * @return the type in which this field is defined
    */
   ClassElement get enclosingElement;
 }
 /**
  * The interface {@code FunctionElement} defines the behavior of elements representing a function.
+ * @coverage dart.engine.element
  */
 abstract class FunctionElement implements ExecutableElement, LocalElement {
 }
 /**
  * The interface {@code HideCombinator} defines the behavior of combinators that cause some of the
  * names in a namespace to be hidden when being imported.
+ * @coverage dart.engine.element
  */
 abstract class HideCombinator implements NamespaceCombinator {
   /**
    * Return an array containing the names that are not to be made visible in the importing library
    * even if they are defined in the imported library.
    * @return the names from the imported library that are hidden from the importing library
    */
   List<String> get hiddenNames;
 }
 /**
  * The interface {@code HtmlElement} defines the behavior of elements representing an HTML file.
+ * @coverage dart.engine.element
  */
 abstract class HtmlElement implements Element {
   /**
    * Return an array containing all of the script elements contained in the HTML file. This includes
    * scripts with libraries that are defined by the content of a script tag as well as libraries
    * that are referenced in the {@core source} attribute of a script tag.
    * @return the script elements in the HTML file (not {@code null}, contains no {@code null}s)
    */
   List<HtmlScriptElement> get scripts;
 }
 /**
  * The interface {@code HtmlScriptElement} defines the behavior of elements representing a script
  * tag in an HTML file.
  * @see EmbeddedHtmlScriptElement
  * @see ExternalHtmlScriptElement
+ * @coverage dart.engine.element
  */
 abstract class HtmlScriptElement implements Element {
 }
 /**
  * The interface {@code ImportElement} defines the behavior of objects representing information
  * about a single import directive within a library.
+ * @coverage dart.engine.element
  */
 abstract class ImportElement implements Element {
   /**
    * An empty array of import elements.
    */
   static List<ImportElement> EMPTY_ARRAY = new List<ImportElement>(0);
   /**
    * Return an array containing the combinators that were specified as part of the import directive
    * in the order in which they were specified.
    * @return the combinators specified in the import directive
    */
   List<NamespaceCombinator> get combinators;
   /**
    * Return the library that is imported into this library by this import directive.
    * @return the library that is imported into this library
    */
   LibraryElement get importedLibrary;
   /**
    * Return the prefix that was specified as part of the import directive, or {@code null} if there
    * was no prefix specified.
    * @return the prefix that was specified as part of the import directive
    */
   PrefixElement get prefix;
 }
 /**
  * The interface {@code LabelElement} defines the behavior of elements representing a label
  * associated with a statement.
+ * @coverage dart.engine.element
  */
 abstract class LabelElement implements Element {
   /**
    * Return the executable element in which this label is defined.
    * @return the executable element in which this label is defined
    */
   ExecutableElement get enclosingElement;
 }
 /**
  * The interface {@code LibraryElement} defines the behavior of elements representing a library.
+ * @coverage dart.engine.element
  */
 abstract class LibraryElement implements Element {
   /**
    * Return the compilation unit that defines this library.
    * @return the compilation unit that defines this library
    */
   CompilationUnitElement get definingCompilationUnit;
   /**
    * Return the entry point for this library, or {@code null} if this library does not have an entry
    * point. The entry point is defined to be a zero argument top-level function whose name is{@code main}.
@@ skipping 37 matching lines @@
   /**
    * Answer {@code true} if this library is an application that can be run in the browser.
    * @return {@code true} if this library is an application that can be run in the browser
    */
   bool isBrowserApplication();
   /**
    * Return {@code true} if this library is the dart:core library.
    * @return {@code true} if this library is the dart:core library
    */
   bool isDartCore();
+  /**
+   * Return {@code true} if this library is up to date with respect to the given time stamp. If any
+   * transitively referenced Source is newer than the time stamp, this method returns false.
+   * @param timeStamp the time stamp to compare against
+   * @return {@code true} if this library is up to date with respect to the given time stamp
+   */
+  bool isUpToDate2(int timeStamp);
 }
 /**
  * The interface {@code LocalElement} defines the behavior of elements that can be (but are not
  * required to be) defined within a method or function (an {@link ExecutableElement}).
+ * @coverage dart.engine.element
  */
 abstract class LocalElement implements Element {
   /**
    * Return a source range that covers the approximate portion of the source in which the name of
    * this element is visible, or {@code null} if there is no single range of characters within which
    * the element name is visible.
    * <ul>
    * <li>For a local variable, this includes everything from the end of the variable's initializer
    * to the end of the block that encloses the variable declaration.</li>
    * <li>For a parameter, this includes the body of the method or function that declares the
    * parameter.</li>
    * <li>For a local function, this includes everything from the beginning of the function's body to
    * the end of the block that encloses the function declaration.</li>
    * <li>For top-level functions, {@code null} will be returned because they are potentially visible
    * in multiple sources.</li>
    * </ul>
    * @return the range of characters in which the name of this element is visible
    */
   SourceRange get visibleRange;
 }
 /**
  * The interface {@code LocalVariableElement} defines the behavior common to elements that represent
  * a local variable.
+ * @coverage dart.engine.element
  */
 abstract class LocalVariableElement implements LocalElement, VariableElement {
 }
 /**
  * The interface {@code MethodElement} defines the behavior of elements that represent a method
  * defined within a type.
+ * @coverage dart.engine.element
  */
 abstract class MethodElement implements ExecutableElement {
   /**
    * Return the type in which this method is defined.
    * @return the type in which this method is defined
    */
   ClassElement get enclosingElement;
   /**
    * Return {@code true} if this method is abstract. Methods are abstract if they are not external
    * and have no body.
    * @return {@code true} if this method is abstract
    */
   bool isAbstract();
 }
 /**
  * The interface {@code MultiplyDefinedElement} defines the behavior of pseudo-elements that
  * represent multiple elements defined within a single scope that have the same name. This situation
  * is not allowed by the language, so objects implementing this interface always represent an error.
  * As a result, most of the normal operations on elements do not make sense and will return useless
  * results.
+ * @coverage dart.engine.element
  */
 abstract class MultiplyDefinedElement implements Element {
   /**
    * Return an array containing all of the elements that were defined within the scope to have the
    * same name.
    * @return the elements that were defined with the same name
    */
   List<Element> get conflictingElements;
 }
 /**
  * The interface {@code NamespaceCombinator} defines the behavior common to objects that control how
  * namespaces are combined.
+ * @coverage dart.engine.element
  */
 abstract class NamespaceCombinator {
   /**
    * An empty array of namespace combinators.
    */
   static List<NamespaceCombinator> EMPTY_ARRAY = new List<NamespaceCombinator>(0);
 }
 /**
  * The interface {@code ParameterElement} defines the behavior of elements representing a parameter
  * defined within an executable element.
+ * @coverage dart.engine.element
  */
 abstract class ParameterElement implements LocalElement, VariableElement {
   /**
    * Return the kind of this parameter.
    * @return the kind of this parameter
    */
   ParameterKind get parameterKind;
   /**
    * Return {@code true} if this parameter is an initializing formal parameter.
    * @return {@code true} if this parameter is an initializing formal parameter
    */
   bool isInitializingFormal();
 }
 /**
  * The interface {@code PrefixElement} defines the behavior common to elements that represent a
  * prefix used to import one or more libraries into another library.
+ * @coverage dart.engine.element
  */
 abstract class PrefixElement implements Element {
   /**
    * Return the library into which other libraries are imported using this prefix.
    * @return the library into which other libraries are imported using this prefix
    */
   LibraryElement get enclosingElement;
   /**
    * Return an array containing all of the libraries that are imported using this prefix.
    * @return the libraries that are imported using this prefix
    */
   List<LibraryElement> get importedLibraries;
 }
 /**
  * The interface {@code PropertyAccessorElement} defines the behavior of elements representing a
  * getter or a setter. Note that explicitly defined property accessors implicitly define a synthetic
  * field. Symmetrically, synthetic accessors are implicitly created for explicitly defined fields.
  * The following rules apply:
  * <ul>
  * <li>Every explicit field is represented by a non-synthetic {@link FieldElement}.
  * <li>Every explicit field induces a getter and possibly a setter, both of which are represented by
  * synthetic {@link PropertyAccessorElement}s.
  * <li>Every explicit getter or setter is represented by a non-synthetic{@link PropertyAccessorElement}.
  * <li>Every explicit getter or setter (or pair thereof if they have the same name) induces a field
  * that is represented by a synthetic {@link FieldElement}.
  * </ul>
+ * @coverage dart.engine.element
  */
 abstract class PropertyAccessorElement implements ExecutableElement {
   /**
    * Return the field or top-level variable associated with this accessor. If this accessor was
    * explicitly defined (is not synthetic) then the variable associated with it will be synthetic.
    * @return the variable associated with this accessor
    */
   PropertyInducingElement get variable;
   /**
    * Return {@code true} if this accessor represents a getter.
@@ skipping 13 matching lines @@
  * variables implicitly define a synthetic setter. Symmetrically, synthetic fields are implicitly
  * created for explicitly defined getters and setters. The following rules apply:
  * <ul>
  * <li>Every explicit variable is represented by a non-synthetic {@link PropertyInducingElement}.
  * <li>Every explicit variable induces a getter and possibly a setter, both of which are represented
  * by synthetic {@link PropertyAccessorElement}s.
  * <li>Every explicit getter or setter is represented by a non-synthetic{@link PropertyAccessorElement}.
  * <li>Every explicit getter or setter (or pair thereof if they have the same name) induces a
  * variable that is represented by a synthetic {@link PropertyInducingElement}.
  * </ul>
+ * @coverage dart.engine.element
  */
 abstract class PropertyInducingElement implements VariableElement {
   /**
    * Return the getter associated with this variable. If this variable was explicitly defined (is
    * not synthetic) then the getter associated with it will be synthetic.
    * @return the getter associated with this variable
    */
   PropertyAccessorElement get getter;
   /**
    * Return the setter associated with this variable, or {@code null} if the variable is effectively{@code final} and therefore does not have a setter associated with it. (This can happen either
    * because the variable is explicitly defined as being {@code final} or because the variable is
    * induced by an explicit getter that does not have a corresponding setter.) If this variable was
    * explicitly defined (is not synthetic) then the setter associated with it will be synthetic.
    * @return the setter associated with this variable
    */
   PropertyAccessorElement get setter;
   /**
    * Return {@code true} if this element is a static element. A static element is an element that is
    * not associated with a particular instance, but rather with an entire library or class.
    * @return {@code true} if this executable element is a static element
    */
   bool isStatic();
 }
 /**
  * The interface {@code ShowCombinator} defines the behavior of combinators that cause some of the
  * names in a namespace to be visible (and the rest hidden) when being imported.
+ * @coverage dart.engine.element
  */
 abstract class ShowCombinator implements NamespaceCombinator {
   /**
    * Return an array containing the names that are to be made visible in the importing library if
    * they are defined in the imported library.
    * @return the names from the imported library that are visible in the importing library
    */
   List<String> get shownNames;
 }
 /**
  * The interface {@code TopLevelVariableElement} defines the behavior of elements representing a
  * top-level variable.
+ * @coverage dart.engine.element
  */
 abstract class TopLevelVariableElement implements PropertyInducingElement {
 }
 /**
  * The interface {@code TypeAliasElement} defines the behavior of elements representing a type alias
  * ({@code typedef}).
+ * @coverage dart.engine.element
  */
 abstract class TypeAliasElement implements Element {
   /**
    * Return the compilation unit in which this type alias is defined.
    * @return the compilation unit in which this type alias is defined
    */
   CompilationUnitElement get enclosingElement;
   /**
    * Return an array containing all of the parameters defined by this type alias.
    * @return the parameters defined by this type alias
    */
   List<ParameterElement> get parameters;
   /**
    * Return the type of function defined by this type alias.
    * @return the type of function defined by this type alias
    */
   FunctionType get type;
   /**
    * Return an array containing all of the type variables defined for this type.
    * @return the type variables defined for this type
    */
   List<TypeVariableElement> get typeVariables;
 }
 /**
  * The interface {@code TypeVariableElement} defines the behavior of elements representing a type
  * variable.
+ * @coverage dart.engine.element
  */
 abstract class TypeVariableElement implements Element {
   /**
    * Return the type representing the bound associated with this variable, or {@code null} if this
    * variable does not have an explicit bound.
    * @return the type representing the bound associated with this variable
    */
   Type2 get bound;
   /**
    * Return the type defined by this type variable.
    * @return the type defined by this type variable
    */
   TypeVariableType get type;
 }
 /**
  * The interface {@code UndefinedElement} defines the behavior of pseudo-elements that represent
  * names that are undefined. This situation is not allowed by the language, so objects implementing
  * this interface always represent an error. As a result, most of the normal operations on elements
  * do not make sense and will return useless results.
+ * @coverage dart.engine.element
  */
 abstract class UndefinedElement implements Element {
 }
 /**
  * The interface {@code VariableElement} defines the behavior common to elements that represent a
  * variable.
+ * @coverage dart.engine.element
  */
 abstract class VariableElement implements Element {
   /**
    * Return a synthetic function representing this variable's initializer, or {@code null} if this
    * variable does not have an initializer. The function will have no parameters. The return type of
    * the function will be the compile-time type of the initialization expression.
    * @return a synthetic function representing this variable's initializer
    */
   FunctionElement get initializer;
   /**
    * Return the declared type of this variable, or {@code null} if the variable did not have a
    * declared type (such as if it was declared using the keyword 'var').
    * @return the declared type of this variable
    */
   Type2 get type;
   /**
-   * Return {@code true} if this variable is a const variable. Variables are const if they have been
-   * marked as being const using the {@code const} modifier.
-   * @return {@code true} if this variable is a const variable
+   * Return {@code true} if this variable was declared with the 'const' modifier.
+   * @return {@code true} if this variable was declared with the 'const' modifier
    */
   bool isConst();
   /**
-   * Return {@code true} if this variable is a final variable. Variables are final if they have been
-   * marked as being final using either the {@code final} or {@code const} modifiers.
-   * @return {@code true} if this variable is a final variable
+   * Return {@code true} if this variable was declared with the 'final' modifier. Variables that are
+   * declared with the 'const' modifier will return {@code false} even though they are implicitly
+   * final.
+   * @return {@code true} if this variable was declared with the 'final' modifier
    */
   bool isFinal();
 }
 /**
  * Instances of the class {@code GeneralizingElementVisitor} implement an element visitor that will
  * recursively visit all of the elements in an element model (like instances of the class{@link RecursiveElementVisitor}). In addition, when an element of a specific type is visited not
  * only will the visit method for that specific type of element be invoked, but additional methods
  * for the supertypes of that element will also be invoked. For example, using an instance of this
  * class to visit a {@link MethodElement} will cause the method{@link #visitMethodElement(MethodElement)} to be invoked but will also cause the methods{@link #visitExecutableElement(ExecutableElement)} and {@link #visitElement(Element)} to be
  * subsequently invoked. This allows visitors to be written that visit all executable elements
@@ skipping 31 matching lines @@
  * TopLevelVariableElement
  * LocalElement
  * LocalVariableElement
  * ParameterElement
  * </pre>
  * <p>
  * Subclasses that override a visit method must either invoke the overridden visit method or
  * explicitly invoke the more general visit method. Failure to do so will cause the visit methods
  * for superclasses of the element to not be invoked and will cause the children of the visited node
  * to not be visited.
+ * @coverage dart.engine.element
  */
 class GeneralizingElementVisitor<R> implements ElementVisitor<R> {
   R visitClassElement(ClassElement element) => visitElement(element);
   R visitCompilationUnitElement(CompilationUnitElement element) => visitElement(element);
   R visitConstructorElement(ConstructorElement element) => visitExecutableElement(element);
   R visitElement(Element element) {
     element.visitChildren(this);
     return null;
   }
+  R visitEmbeddedHtmlScriptElement(EmbeddedHtmlScriptElement element) => visitHtmlScriptElement(element);
   R visitExecutableElement(ExecutableElement element) => visitElement(element);
   R visitExportElement(ExportElement element) => visitElement(element);
+  R visitExternalHtmlScriptElement(ExternalHtmlScriptElement element) => visitHtmlScriptElement(element);
   R visitFieldElement(FieldElement element) => visitPropertyInducingElement(element);
   R visitFunctionElement(FunctionElement element) => visitLocalElement(element);
   R visitHtmlElement(HtmlElement element) => visitElement(element);
+  R visitHtmlScriptElement(HtmlScriptElement element) => visitElement(element);
   R visitImportElement(ImportElement element) => visitElement(element);
   R visitLabelElement(LabelElement element) => visitElement(element);
   R visitLibraryElement(LibraryElement element) => visitElement(element);
   R visitLocalElement(LocalElement element) {
     if (element is LocalVariableElement) {
       return visitVariableElement((element as LocalVariableElement));
     } else if (element is ParameterElement) {
       return visitVariableElement((element as ParameterElement));
     } else if (element is FunctionElement) {
       return visitExecutableElement((element as FunctionElement));
@@ skipping 14 matching lines @@
 }
 /**
  * Instances of the class {@code RecursiveElementVisitor} implement an element visitor that will
  * recursively visit all of the element in an element model. For example, using an instance of this
  * class to visit a {@link CompilationUnitElement} will also cause all of the types in the
  * compilation unit to be visited.
  * <p>
  * Subclasses that override a visit method must either invoke the overridden visit method or must
  * explicitly ask the visited element to visit its children. Failure to do so will cause the
  * children of the visited element to not be visited.
+ * @coverage dart.engine.element
  */
 class RecursiveElementVisitor<R> implements ElementVisitor<R> {
   R visitClassElement(ClassElement element) {
     element.visitChildren(this);
     return null;
   }
   R visitCompilationUnitElement(CompilationUnitElement element) {
     element.visitChildren(this);
     return null;
   }
   R visitConstructorElement(ConstructorElement element) {
     element.visitChildren(this);
     return null;
   }
+  R visitEmbeddedHtmlScriptElement(EmbeddedHtmlScriptElement element) {
+    element.visitChildren(this);
+    return null;
+  }
   R visitExportElement(ExportElement element) {
     element.visitChildren(this);
     return null;
   }
+  R visitExternalHtmlScriptElement(ExternalHtmlScriptElement element) {
+    element.visitChildren(this);
+    return null;
+  }
   R visitFieldElement(FieldElement element) {
     element.visitChildren(this);
     return null;
   }
   R visitFunctionElement(FunctionElement element) {
     element.visitChildren(this);
     return null;
   }
   R visitHtmlElement(HtmlElement element) {
     element.visitChildren(this);
@@ skipping 46 matching lines @@
   R visitTypeVariableElement(TypeVariableElement element) {
     element.visitChildren(this);
     return null;
   }
 }
 /**
  * Instances of the class {@code SimpleElementVisitor} implement an element visitor that will do
  * nothing when visiting an element. It is intended to be a superclass for classes that use the
  * visitor pattern primarily as a dispatch mechanism (and hence don't need to recursively visit a
  * whole structure) and that only need to visit a small number of element types.
+ * @coverage dart.engine.element
  */
 class SimpleElementVisitor<R> implements ElementVisitor<R> {
   R visitClassElement(ClassElement element) => null;
   R visitCompilationUnitElement(CompilationUnitElement element) => null;
   R visitConstructorElement(ConstructorElement element) => null;
+  R visitEmbeddedHtmlScriptElement(EmbeddedHtmlScriptElement element) => null;
   R visitExportElement(ExportElement element) => null;
+  R visitExternalHtmlScriptElement(ExternalHtmlScriptElement element) => null;
   R visitFieldElement(FieldElement element) => null;
   R visitFunctionElement(FunctionElement element) => null;
   R visitHtmlElement(HtmlElement element) => null;
   R visitImportElement(ImportElement element) => null;
   R visitLabelElement(LabelElement element) => null;
   R visitLibraryElement(LibraryElement element) => null;
   R visitLocalVariableElement(LocalVariableElement element) => null;
   R visitMethodElement(MethodElement element) => null;
   R visitMultiplyDefinedElement(MultiplyDefinedElement element) => null;
   R visitParameterElement(ParameterElement element) => null;
   R visitPrefixElement(PrefixElement element) => null;
   R visitPropertyAccessorElement(PropertyAccessorElement element) => null;
   R visitTopLevelVariableElement(TopLevelVariableElement element) => null;
   R visitTypeAliasElement(TypeAliasElement element) => null;
   R visitTypeVariableElement(TypeVariableElement element) => null;
 }
 /**
  * Instances of the class {@code AnnotationImpl} implement an {@link Annotation}.
+ * @coverage dart.engine.element
  */
 class AnnotationImpl implements Annotation {
   /**
    * The element representing the field, variable, or constructor being used as an annotation.
    */
   Element _element;
   /**
    * An empty array of annotations.
    */
   static List<AnnotationImpl> EMPTY_ARRAY = new List<AnnotationImpl>(0);
   /**
    * Initialize a newly created annotation.
    * @param element the element representing the field, variable, or constructor being used as an
    * annotation
    */
   AnnotationImpl(Element element) {
     this._element = element;
   }
   Element get element => _element;
   String toString() => "@${_element.toString()}";
 }
 /**
  * Instances of the class {@code ClassElementImpl} implement a {@code ClassElement}.
+ * @coverage dart.engine.element
  */
 class ClassElementImpl extends ElementImpl implements ClassElement {
   /**
    * An array containing all of the accessors (getters and setters) contained in this class.
    */
   List<PropertyAccessorElement> _accessors = PropertyAccessorElementImpl.EMPTY_ARRAY;
   /**
    * An array containing all of the constructors contained in this class.
    */
   List<ConstructorElement> _constructors = ConstructorElementImpl.EMPTY_ARRAY;
@@ skipping 36 matching lines @@
    */
   ClassElementImpl(Identifier name) : super.con1(name) {
   }
   accept(ElementVisitor visitor) => visitor.visitClassElement(this);
   List<PropertyAccessorElement> get accessors => _accessors;
   List<InterfaceType> get allSupertypes {
     Collection<InterfaceType> list = new Set<InterfaceType>();
     collectAllSupertypes(list);
     return new List.from(list);
   }
-  ElementImpl getChild(String identifier24) {
+  ElementImpl getChild(String identifier25) {
     for (PropertyAccessorElement accessor in _accessors) {
-      if (((accessor as PropertyAccessorElementImpl)).identifier == identifier24) {
+      if (((accessor as PropertyAccessorElementImpl)).identifier == identifier25) {
         return accessor as PropertyAccessorElementImpl;
       }
     }
     for (ConstructorElement constructor in _constructors) {
-      if (((constructor as ConstructorElementImpl)).identifier == identifier24) {
+      if (((constructor as ConstructorElementImpl)).identifier == identifier25) {
         return constructor as ConstructorElementImpl;
       }
     }
     for (FieldElement field in _fields) {
-      if (((field as FieldElementImpl)).identifier == identifier24) {
+      if (((field as FieldElementImpl)).identifier == identifier25) {
         return field as FieldElementImpl;
       }
     }
     for (MethodElement method in _methods) {
-      if (((method as MethodElementImpl)).identifier == identifier24) {
+      if (((method as MethodElementImpl)).identifier == identifier25) {
         return method as MethodElementImpl;
       }
     }
     for (TypeVariableElement typeVariable in _typeVariables) {
-      if (((typeVariable as TypeVariableElementImpl)).identifier == identifier24) {
+      if (((typeVariable as TypeVariableElementImpl)).identifier == identifier25) {
         return typeVariable as TypeVariableElementImpl;
       }
     }
     return null;
   }
   List<ConstructorElement> get constructors => _constructors;
   List<FieldElement> get fields => _fields;
   List<InterfaceType> get interfaces => _interfaces;
   ElementKind get kind => ElementKind.CLASS;
   List<MethodElement> get methods => _methods;
   List<InterfaceType> get mixins => _mixins;
-  ConstructorElement getNamedConstructor(String name22) {
+  ConstructorElement getNamedConstructor(String name23) {
     for (ConstructorElement element in constructors) {
       String elementName = element.name;
-      if (elementName != null && elementName == name22) {
+      if (elementName != null && elementName == name23) {
         return element;
       }
     }
     return null;
   }
   InterfaceType get supertype => _supertype;
   InterfaceType get type => _type;
   List<TypeVariableElement> get typeVariables => _typeVariables;
   ConstructorElement get unnamedConstructor {
     for (ConstructorElement element in constructors) {
@@ skipping 265 matching lines @@
     for (PropertyAccessorElement accessor in _accessors) {
       if (accessor.isSetter() && accessor.name == setterName) {
         return accessor;
       }
     }
     return null;
   }
 }
 /**
  * Instances of the class {@code CompilationUnitElementImpl} implement a{@link CompilationUnitElement}.
+ * @coverage dart.engine.element
  */
 class CompilationUnitElementImpl extends ElementImpl implements CompilationUnitElement {
   /**
    * An array containing all of the top-level accessors (getters and setters) contained in this
    * compilation unit.
    */
   List<PropertyAccessorElement> _accessors = PropertyAccessorElementImpl.EMPTY_ARRAY;
   /**
    * An array containing all of the top-level functions contained in this compilation unit.
    */
@@ skipping 20 matching lines @@
   static List<CompilationUnitElement> EMPTY_ARRAY = new List<CompilationUnitElement>(0);
   /**
    * Initialize a newly created compilation unit element to have the given name.
    * @param name the name of this element
    */
   CompilationUnitElementImpl(String name) : super.con2(name, -1) {
   }
   accept(ElementVisitor visitor) => visitor.visitCompilationUnitElement(this);
   bool operator ==(Object object) => identical(runtimeType, object.runtimeType) && _source == ((object as CompilationUnitElementImpl)).source;
   List<PropertyAccessorElement> get accessors => _accessors;
-  ElementImpl getChild(String identifier25) {
+  ElementImpl getChild(String identifier26) {
     for (PropertyAccessorElement accessor in _accessors) {
-      if (((accessor as PropertyAccessorElementImpl)).identifier == identifier25) {
+      if (((accessor as PropertyAccessorElementImpl)).identifier == identifier26) {
         return accessor as PropertyAccessorElementImpl;
       }
     }
     for (VariableElement variable in _variables) {
-      if (((variable as VariableElementImpl)).identifier == identifier25) {
+      if (((variable as VariableElementImpl)).identifier == identifier26) {
         return variable as VariableElementImpl;
       }
     }
     for (ExecutableElement function in _functions) {
-      if (((function as ExecutableElementImpl)).identifier == identifier25) {
+      if (((function as ExecutableElementImpl)).identifier == identifier26) {
         return function as ExecutableElementImpl;
       }
     }
     for (TypeAliasElement typeAlias in _typeAliases) {
-      if (((typeAlias as TypeAliasElementImpl)).identifier == identifier25) {
+      if (((typeAlias as TypeAliasElementImpl)).identifier == identifier26) {
         return typeAlias as TypeAliasElementImpl;
       }
     }
     for (ClassElement type in _types) {
-      if (((type as ClassElementImpl)).identifier == identifier25) {
+      if (((type as ClassElementImpl)).identifier == identifier26) {
         return type as ClassElementImpl;
       }
     }
     return null;
   }
   LibraryElement get enclosingElement => super.enclosingElement as LibraryElement;
   List<FunctionElement> get functions => _functions;
   String get identifier => source.fullName;
   ElementKind get kind => ElementKind.COMPILATION_UNIT;
   Source get source => _source;
@@ skipping 70 matching lines @@
   void appendTo(JavaStringBuilder builder) {
     if (_source == null) {
       builder.append("{compilation unit}");
     } else {
       builder.append(_source.fullName);
     }
   }
 }
 /**
  * Instances of the class {@code ConstructorElementImpl} implement a {@code ConstructorElement}.
+ * @coverage dart.engine.element
  */
 class ConstructorElementImpl extends ExecutableElementImpl implements ConstructorElement {
   /**
    * An empty array of constructor elements.
    */
   static List<ConstructorElement> EMPTY_ARRAY = new List<ConstructorElement>(0);
   /**
    * Initialize a newly created constructor element to have the given name.
    * @param name the name of this element
    */
@@ skipping 18 matching lines @@
     if (name12 != null && !name12.isEmpty) {
       builder.append(".");
       builder.append(name12);
     }
     super.appendTo(builder);
   }
 }
 /**
  * Instances of the class {@code DynamicElementImpl} represent the synthetic element representing
  * the declaration of the type {@code dynamic}.
+ * @coverage dart.engine.element
  */
 class DynamicElementImpl extends ElementImpl {
   /**
    * Return the unique instance of this class.
    * @return the unique instance of this class
    */
   static DynamicElementImpl get instance => DynamicTypeImpl.instance.element as DynamicElementImpl;
   /**
    * The type defined by this element.
    */
@@ skipping 17 matching lines @@
    * Set the type defined by this element to the given type.
    * @param type the type defined by this element
    */
   void set type(DynamicTypeImpl type6) {
     this._type = type6;
   }
 }
 /**
  * The abstract class {@code ElementImpl} implements the behavior common to objects that implement
  * an {@link Element}.
+ * @coverage dart.engine.element
  */
 abstract class ElementImpl implements Element {
   /**
    * The enclosing element of this element, or {@code null} if this element is at the root of the
    * element structure.
    */
   ElementImpl _enclosingElement;
   /**
    * The name of this element.
    */
   String _name;
   /**
    * The offset of the name of this element in the file that contains the declaration of this
    * element.
    */
   int _nameOffset = 0;
   /**
    * A bit-encoded form of the modifiers associated with this element.
    */
   Set<Modifier> _modifiers;
   /**
    * An array containing all of the metadata associated with this element.
    */
   List<Annotation> _metadata = AnnotationImpl.EMPTY_ARRAY;
   /**
    * Initialize a newly created element to have the given name.
    * @param name the name of this element
    */
-  ElementImpl.con1(Identifier name23) {
-    _jtd_constructor_158_impl(name23);
+  ElementImpl.con1(Identifier name24) {
+    _jtd_constructor_161_impl(name24);
   }
-  _jtd_constructor_158_impl(Identifier name23) {
-    _jtd_constructor_159_impl(name23 == null ? "" : name23.name, name23 == null ? -1 : name23.offset);
+  _jtd_constructor_161_impl(Identifier name24) {
+    _jtd_constructor_162_impl(name24 == null ? "" : name24.name, name24 == null ? -1 : name24.offset);
   }
   /**
    * Initialize a newly created element to have the given name.
    * @param name the name of this element
    * @param nameOffset the offset of the name of this element in the file that contains the
    * declaration of this element
    */
   ElementImpl.con2(String name8, int nameOffset2) {
-    _jtd_constructor_159_impl(name8, nameOffset2);
+    _jtd_constructor_162_impl(name8, nameOffset2);
   }
-  _jtd_constructor_159_impl(String name8, int nameOffset2) {
+  _jtd_constructor_162_impl(String name8, int nameOffset2) {
     this._name = name8;
     this._nameOffset = nameOffset2;
     this._modifiers = new Set();
   }
   bool operator ==(Object object) => object != null && identical(object.runtimeType, runtimeType) && ((object as Element)).location == location;
   Element getAncestor(Type elementClass) {
     Element ancestor = _enclosingElement;
     while (ancestor != null && !isInstanceOf(ancestor, elementClass)) {
       ancestor = ancestor.enclosingElement;
     }
@@ skipping 17 matching lines @@
   List<Annotation> get metadata => _metadata;
   String get name => _name;
   int get nameOffset => _nameOffset;
   Source get source {
     if (_enclosingElement == null) {
       return null;
     }
     return _enclosingElement.source;
   }
   int get hashCode => location.hashCode;
-  bool isAccessibleIn(LibraryElement library19) {
+  bool isAccessibleIn(LibraryElement library20) {
     if (Identifier.isPrivateName(_name)) {
-      return library19 == library;
+      return library20 == library;
     }
     return true;
   }
   bool isSynthetic() => hasModifier(Modifier.SYNTHETIC);
   /**
    * Set the metadata associate with this element to the given array of annotations.
    * @param metadata the metadata to be associated with this element
    */
   void set metadata(List<Annotation> metadata2) {
     this._metadata = metadata2;
@@ skipping 75 matching lines @@
   void setModifier(Modifier modifier, bool value) {
     if (value) {
       _modifiers.add(modifier);
     } else {
       _modifiers.remove(modifier);
     }
   }
 }
 /**
  * Instances of the class {@code ElementLocationImpl} implement an {@link ElementLocation}.
+ * @coverage dart.engine.element
  */
 class ElementLocationImpl implements ElementLocation {
   /**
    * The path to the element whose location is represented by this object.
    */
   List<String> _components;
   /**
    * The character used to separate components in the encoded form.
    */
   static int _SEPARATOR_CHAR = 0x3B;
   /**
    * Initialize a newly created location to represent the given element.
    * @param element the element whose location is being represented
    */
   ElementLocationImpl.con1(Element element) {
-    _jtd_constructor_160_impl(element);
+    _jtd_constructor_163_impl(element);
   }
-  _jtd_constructor_160_impl(Element element) {
+  _jtd_constructor_163_impl(Element element) {
     List<String> components = new List<String>();
     Element ancestor = element;
     while (ancestor != null) {
       components.insertRange(0, 1, ((ancestor as ElementImpl)).identifier);
       ancestor = ancestor.enclosingElement;
     }
     this._components = new List.from(components);
   }
   /**
    * Initialize a newly created location from the given encoded form.
    * @param encoding the encoded form of a location
    */
   ElementLocationImpl.con2(String encoding) {
-    _jtd_constructor_161_impl(encoding);
+    _jtd_constructor_164_impl(encoding);
   }
-  _jtd_constructor_161_impl(String encoding) {
+  _jtd_constructor_164_impl(String encoding) {
     this._components = decode(encoding);
   }
   bool operator ==(Object object) {
     if (object is! ElementLocationImpl) {
       return false;
     }
     ElementLocationImpl location = object as ElementLocationImpl;
     return JavaArrays.equals(_components, location._components);
   }
   /**
@@ skipping 55 matching lines @@
     for (int i = 0; i < length4; i++) {
       int currentChar = component.codeUnitAt(i);
       if (currentChar == _SEPARATOR_CHAR) {
         builder.appendChar(_SEPARATOR_CHAR);
       }
       builder.appendChar(currentChar);
     }
   }
 }
 /**
+ * Instances of the class {@code EmbeddedHtmlScriptElementImpl} implement an{@link EmbeddedHtmlScriptElement}.
+ * @coverage dart.engine.element
+ */
+class EmbeddedHtmlScriptElementImpl extends HtmlScriptElementImpl implements EmbeddedHtmlScriptElement {
+  /**
+   * The library defined by the script tag's content.
+   */
+  LibraryElement _scriptLibrary;
+  /**
+   * Initialize a newly created script element to have the specified tag name and offset.
+   * @param node the XML node from which this element is derived (not {@code null})
+   */
+  EmbeddedHtmlScriptElementImpl(XmlTagNode node) : super(node) {
+  }
+  accept(ElementVisitor visitor) => visitor.visitEmbeddedHtmlScriptElement(this);
+  ElementKind get kind => ElementKind.EMBEDDED_HTML_SCRIPT;
+  LibraryElement get scriptLibrary => _scriptLibrary;
+  /**
+   * Set the script library defined by the script tag's content.
+   * @param scriptLibrary the library or {@code null} if none
+   */
+  void set scriptLibrary(LibraryElementImpl scriptLibrary2) {
+    scriptLibrary2.enclosingElement = this;
+    this._scriptLibrary = scriptLibrary2;
+  }
+  void visitChildren(ElementVisitor<Object> visitor) {
+    safelyVisitChild(_scriptLibrary, visitor);
+  }
+}
+/**
  * The abstract class {@code ExecutableElementImpl} implements the behavior common to{@code ExecutableElement}s.
+ * @coverage dart.engine.element
  */
 abstract class ExecutableElementImpl extends ElementImpl implements ExecutableElement {
   /**
    * An array containing all of the functions defined within this executable element.
    */
   List<FunctionElement> _functions = FunctionElementImpl.EMPTY_ARRAY;
   /**
    * An array containing all of the labels defined within this executable element.
    */
   List<LabelElement> _labels = LabelElementImpl.EMPTY_ARRAY;
@@ skipping 11 matching lines @@
   FunctionType _type;
   /**
    * An empty array of executable elements.
    */
   static List<ExecutableElement> EMPTY_ARRAY = new List<ExecutableElement>(0);
   /**
    * Initialize a newly created executable element to have the given name.
    * @param name the name of this element
    */
   ExecutableElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_162_impl(name);
+    _jtd_constructor_166_impl(name);
   }
-  _jtd_constructor_162_impl(Identifier name) {
+  _jtd_constructor_166_impl(Identifier name) {
   }
   /**
    * Initialize a newly created executable element to have the given name.
    * @param name the name of this element
    * @param nameOffset the offset of the name of this element in the file that contains the
    * declaration of this element
    */
   ExecutableElementImpl.con2(String name, int nameOffset) : super.con2(name, nameOffset) {
-    _jtd_constructor_163_impl(name, nameOffset);
+    _jtd_constructor_167_impl(name, nameOffset);
   }
-  _jtd_constructor_163_impl(String name, int nameOffset) {
+  _jtd_constructor_167_impl(String name, int nameOffset) {
   }
-  ElementImpl getChild(String identifier26) {
+  ElementImpl getChild(String identifier27) {
     for (ExecutableElement function in _functions) {
-      if (((function as ExecutableElementImpl)).identifier == identifier26) {
+      if (((function as ExecutableElementImpl)).identifier == identifier27) {
         return function as ExecutableElementImpl;
       }
     }
     for (LabelElement label in _labels) {
-      if (((label as LabelElementImpl)).identifier == identifier26) {
+      if (((label as LabelElementImpl)).identifier == identifier27) {
         return label as LabelElementImpl;
       }
     }
     for (VariableElement variable in _localVariables) {
-      if (((variable as VariableElementImpl)).identifier == identifier26) {
+      if (((variable as VariableElementImpl)).identifier == identifier27) {
         return variable as VariableElementImpl;
       }
     }
     for (ParameterElement parameter in _parameters) {
-      if (((parameter as ParameterElementImpl)).identifier == identifier26) {
+      if (((parameter as ParameterElementImpl)).identifier == identifier27) {
         return parameter as ParameterElementImpl;
       }
     }
     return null;
   }
   List<FunctionElement> get functions => _functions;
   List<LabelElement> get labels => _labels;
   List<LocalVariableElement> get localVariables => _localVariables;
   List<ParameterElement> get parameters => _parameters;
   FunctionType get type => _type;
@@ skipping 62 matching lines @@
     }
     builder.append(")");
     if (_type != null) {
       builder.append(" -> ");
       builder.append(_type.returnType);
     }
   }
 }
 /**
  * Instances of the class {@code ExportElementImpl} implement an {@link ExportElement}.
+ * @coverage dart.engine.element
  */
 class ExportElementImpl extends ElementImpl implements ExportElement {
   /**
    * The library that is exported from this library by this export directive.
    */
   LibraryElement _exportedLibrary;
   /**
    * The combinators that were specified as part of the export directive in the order in which they
    * were specified.
    */
@@ skipping 22 matching lines @@
    */
   void set exportedLibrary(LibraryElement exportedLibrary2) {
     this._exportedLibrary = exportedLibrary2;
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append("export ");
     ((_exportedLibrary as LibraryElementImpl)).appendTo(builder);
   }
 }
 /**
+ * Instances of the class {@code ExternalHtmlScriptElementImpl} implement an{@link ExternalHtmlScriptElement}.
+ * @coverage dart.engine.element
+ */
+class ExternalHtmlScriptElementImpl extends HtmlScriptElementImpl implements ExternalHtmlScriptElement {
+  /**
+   * The source specified in the {@code source} attribute or {@code null} if unspecified.
+   */
+  Source _scriptSource;
+  /**
+   * Initialize a newly created script element to have the specified tag name and offset.
+   * @param node the XML node from which this element is derived (not {@code null})
+   */
+  ExternalHtmlScriptElementImpl(XmlTagNode node) : super(node) {
+  }
+  accept(ElementVisitor visitor) => visitor.visitExternalHtmlScriptElement(this);
+  ElementKind get kind => ElementKind.EXTERNAL_HTML_SCRIPT;
+  Source get scriptSource => _scriptSource;
+  /**
+   * Set the source specified in the {@code source} attribute.
+   * @param scriptSource the script source or {@code null} if unspecified
+   */
+  void set scriptSource(Source scriptSource2) {
+    this._scriptSource = scriptSource2;
+  }
+}
+/**
  * Instances of the class {@code FieldElementImpl} implement a {@code FieldElement}.
+ * @coverage dart.engine.element
  */
 class FieldElementImpl extends PropertyInducingElementImpl implements FieldElement {
   /**
    * An empty array of field elements.
    */
   static List<FieldElement> EMPTY_ARRAY = new List<FieldElement>(0);
   /**
    * Initialize a newly created field element to have the given name.
    * @param name the name of this element
    */
   FieldElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_165_impl(name);
+    _jtd_constructor_170_impl(name);
   }
-  _jtd_constructor_165_impl(Identifier name) {
+  _jtd_constructor_170_impl(Identifier name) {
   }
   /**
    * Initialize a newly created synthetic field element to have the given name.
    * @param name the name of this element
    */
   FieldElementImpl.con2(String name) : super.con2(name) {
-    _jtd_constructor_166_impl(name);
+    _jtd_constructor_171_impl(name);
   }
-  _jtd_constructor_166_impl(String name) {
+  _jtd_constructor_171_impl(String name) {
   }
   accept(ElementVisitor visitor) => visitor.visitFieldElement(this);
   ClassElement get enclosingElement => super.enclosingElement as ClassElement;
   ElementKind get kind => ElementKind.FIELD;
   bool isStatic() => hasModifier(Modifier.STATIC);
   /**
    * Set whether this field is static to correspond to the given value.
    * @param isStatic {@code true} if the field is static
    */
   void set static(bool isStatic) {
     setModifier(Modifier.STATIC, isStatic);
   }
 }
 /**
  * Instances of the class {@code FunctionElementImpl} implement a {@code FunctionElement}.
+ * @coverage dart.engine.element
  */
 class FunctionElementImpl extends ExecutableElementImpl implements FunctionElement {
   /**
    * The offset to the beginning of the visible range for this element.
    */
   int _visibleRangeOffset = 0;
   /**
    * The length of the visible range for this element, or {@code -1} if this element does not have a
    * visible range.
    */
   int _visibleRangeLength = -1;
   /**
    * An empty array of function elements.
    */
   static List<FunctionElement> EMPTY_ARRAY = new List<FunctionElement>(0);
   /**
    * Initialize a newly created synthetic function element.
    */
   FunctionElementImpl() : super.con2("", -1) {
-    _jtd_constructor_167_impl();
+    _jtd_constructor_172_impl();
   }
-  _jtd_constructor_167_impl() {
+  _jtd_constructor_172_impl() {
     synthetic = true;
   }
   /**
    * Initialize a newly created function element to have the given name.
    * @param name the name of this element
    */
   FunctionElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_168_impl(name);
+    _jtd_constructor_173_impl(name);
   }
-  _jtd_constructor_168_impl(Identifier name) {
+  _jtd_constructor_173_impl(Identifier name) {
   }
   accept(ElementVisitor visitor) => visitor.visitFunctionElement(this);
   String get identifier => name;
   ElementKind get kind => ElementKind.FUNCTION;
   SourceRange get visibleRange {
     if (_visibleRangeLength < 0) {
       return null;
     }
     return new SourceRange(_visibleRangeOffset, _visibleRangeLength);
   }
@@ skipping 12 matching lines @@
   void appendTo(JavaStringBuilder builder) {
     String name13 = name;
     if (name13 != null) {
       builder.append(name13);
     }
     super.appendTo(builder);
   }
 }
 /**
  * Instances of the class {@code ShowCombinatorImpl} implement a {@link ShowCombinator}.
+ * @coverage dart.engine.element
  */
 class HideCombinatorImpl implements HideCombinator {
   /**
    * The names that are not to be made visible in the importing library even if they are defined in
    * the imported library.
    */
   List<String> _hiddenNames = StringUtilities.EMPTY_ARRAY;
   /**
    * Initialize a newly created combinator.
    */
@@ skipping 16 matching lines @@
       if (i > 0) {
         builder.append(", ");
       }
       builder.append(_hiddenNames[i]);
     }
     return builder.toString();
   }
 }
 /**
  * Instances of the class {@code HtmlElementImpl} implement an {@link HtmlElement}.
+ * @coverage dart.engine.element
  */
 class HtmlElementImpl extends ElementImpl implements HtmlElement {
   /**
    * An empty array of HTML file elements.
    */
   static List<HtmlElement> EMPTY_ARRAY = new List<HtmlElement>(0);
   /**
    * The analysis context in which this library is defined.
    */
   AnalysisContext _context;
   /**
    * The scripts contained in or referenced from script tags in the HTML file.
    */
-  List<HtmlScriptElement> _scripts = new List<HtmlScriptElement>(0);
+  List<HtmlScriptElement> _scripts = HtmlScriptElementImpl.EMPTY_ARRAY;
   /**
    * The source that corresponds to this HTML file.
    */
   Source _source;
   /**
    * Initialize a newly created HTML element to have the given name.
    * @param context the analysis context in which the HTML file is defined
    * @param name the name of this element
    */
   HtmlElementImpl(AnalysisContext context, String name) : super.con2(name, -1) {
     this._context = context;
   }
   accept(ElementVisitor visitor) => visitor.visitHtmlElement(this);
   bool operator ==(Object object) => identical(runtimeType, object.runtimeType) && _source == ((object as CompilationUnitElementImpl)).source;
   AnalysisContext get context => _context;
   ElementKind get kind => ElementKind.HTML;
   List<HtmlScriptElement> get scripts => _scripts;
   Source get source => _source;
   int get hashCode => _source.hashCode;
   /**
    * Set the scripts contained in the HTML file to the given scripts.
    * @param scripts the scripts
    */
   void set scripts(List<HtmlScriptElement> scripts2) {
+    for (HtmlScriptElement script in scripts2) {
+      ((script as HtmlScriptElementImpl)).enclosingElement = this;
+    }
     this._scripts = scripts2;
   }
   /**
    * Set the source that corresponds to this HTML file to the given source.
    * @param source the source that corresponds to this HTML file
    */
   void set source(Source source6) {
     this._source = source6;
   }
   void visitChildren(ElementVisitor<Object> visitor) {
     super.visitChildren(visitor);
     safelyVisitChildren(_scripts, visitor);
   }
   void appendTo(JavaStringBuilder builder) {
     if (_source == null) {
       builder.append("{HTML file}");
     } else {
       builder.append(_source.fullName);
     }
   }
 }
 /**
+ * Instances of the class {@code HtmlScriptElementImpl} implement an {@link HtmlScriptElement}.
+ * @coverage dart.engine.element
+ */
+abstract class HtmlScriptElementImpl extends ElementImpl implements HtmlScriptElement {
+  /**
+   * An empty array of HTML script elements.
+   */
+  static List<HtmlScriptElement> EMPTY_ARRAY = new List<HtmlScriptElement>(0);
+  /**
+   * Initialize a newly created script element to have the specified tag name and offset.
+   * @param node the XML node from which this element is derived (not {@code null})
+   */
+  HtmlScriptElementImpl(XmlTagNode node) : super.con2(node.tag.lexeme, node.tag.offset) {
+  }
+}
+/**
  * Instances of the class {@code ImportElementImpl} implement an {@link ImportElement}.
+ * @coverage dart.engine.element
  */
 class ImportElementImpl extends ElementImpl implements ImportElement {
   /**
    * The library that is imported into this library by this import directive.
    */
   LibraryElement _importedLibrary;
   /**
    * The combinators that were specified as part of the import directive in the order in which they
    * were specified.
    */
@@ skipping 40 matching lines @@
     super.visitChildren(visitor);
     safelyVisitChild(_prefix, visitor);
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append("import ");
     ((_importedLibrary as LibraryElementImpl)).appendTo(builder);
   }
 }
 /**
  * Instances of the class {@code LabelElementImpl} implement a {@code LabelElement}.
+ * @coverage dart.engine.element
  */
 class LabelElementImpl extends ElementImpl implements LabelElement {
   /**
    * A flag indicating whether this label is associated with a {@code switch} statement.
    */
   bool _onSwitchStatement = false;
   /**
    * A flag indicating whether this label is associated with a {@code switch} member ({@code case}or {@code default}).
    */
   bool _onSwitchMember = false;
@@ skipping 20 matching lines @@
    */
   bool isOnSwitchMember() => _onSwitchMember;
   /**
    * Return {@code true} if this label is associated with a {@code switch} statement.
    * @return {@code true} if this label is associated with a {@code switch} statement
    */
   bool isOnSwitchStatement() => _onSwitchStatement;
 }
 /**
  * Instances of the class {@code LibraryElementImpl} implement a {@code LibraryElement}.
+ * @coverage dart.engine.element
  */
 class LibraryElementImpl extends ElementImpl implements LibraryElement {
   /**
    * An empty array of library elements.
    */
   static List<LibraryElement> EMPTY_ARRAY = new List<LibraryElement>(0);
   /**
+   * Determine if the given library is up to date with respect to the given time stamp.
+   * @param library the library to process
+   * @param timeStamp the time stamp to check against
+   * @param visitedLibraries the set of visited libraries
+   */
+  static bool isUpToDate(LibraryElement library, int timeStamp, Set<LibraryElement> visitedLibraries) {
+    if (!visitedLibraries.contains(library)) {
+      javaSetAdd(visitedLibraries, library);
+      if (timeStamp < library.definingCompilationUnit.source.modificationStamp) {
+        return false;
+      }
+      for (CompilationUnitElement element in library.parts) {
+        if (timeStamp < element.source.modificationStamp) {
+          return false;
+        }
+      }
+      for (LibraryElement importedLibrary in library.importedLibraries) {
+        if (!isUpToDate(importedLibrary, timeStamp, visitedLibraries)) {
+          return false;
+        }
+      }
+      for (LibraryElement exportedLibrary in library.exportedLibraries) {
+        if (!isUpToDate(exportedLibrary, timeStamp, visitedLibraries)) {
+          return false;
+        }
+      }
+    }
+    return true;
+  }
+  /**
    * The analysis context in which this library is defined.
    */
   AnalysisContext _context;
   /**
    * The compilation unit that defines this library.
    */
   CompilationUnitElement _definingCompilationUnit;
   /**
    * The entry point for this library, or {@code null} if this library does not have an entry point.
    */
@@ skipping 13 matching lines @@
   /**
    * Initialize a newly created library element to have the given name.
    * @param context the analysis context in which the library is defined
    * @param name the name of this element
    */
   LibraryElementImpl(AnalysisContext context, LibraryIdentifier name) : super.con1(name) {
     this._context = context;
   }
   accept(ElementVisitor visitor) => visitor.visitLibraryElement(this);
   bool operator ==(Object object) => identical(runtimeType, object.runtimeType) && _definingCompilationUnit == ((object as LibraryElementImpl)).definingCompilationUnit;
-  ElementImpl getChild(String identifier27) {
-    if (((_definingCompilationUnit as CompilationUnitElementImpl)).identifier == identifier27) {
+  ElementImpl getChild(String identifier28) {
+    if (((_definingCompilationUnit as CompilationUnitElementImpl)).identifier == identifier28) {
       return _definingCompilationUnit as CompilationUnitElementImpl;
     }
     for (CompilationUnitElement part in _parts) {
-      if (((part as CompilationUnitElementImpl)).identifier == identifier27) {
+      if (((part as CompilationUnitElementImpl)).identifier == identifier28) {
         return part as CompilationUnitElementImpl;
       }
     }
     return null;
   }
   AnalysisContext get context => _context;
   CompilationUnitElement get definingCompilationUnit => _definingCompilationUnit;
   FunctionElement get entryPoint => _entryPoint;
   List<LibraryElement> get exportedLibraries {
     Set<LibraryElement> libraries = new Set<LibraryElement>();
@@ skipping 22 matching lines @@
       PrefixElement prefix4 = element.prefix;
       if (prefix4 != null) {
         javaSetAdd(prefixes, prefix4);
       }
     }
     return new List.from(prefixes);
   }
   int get hashCode => _definingCompilationUnit.hashCode;
   bool isBrowserApplication() => _entryPoint != null && isOrImportsBrowserLibrary();
   bool isDartCore() => name == "dart.core";
+  bool isUpToDate2(int timeStamp) {
+    Set<LibraryElement> visitedLibraries = new Set();
+    return isUpToDate(this, timeStamp, visitedLibraries);
+  }
   /**
    * Set the compilation unit that defines this library to the given compilation unit.
    * @param definingCompilationUnit the compilation unit that defines this library
    */
   void set definingCompilationUnit(CompilationUnitElement definingCompilationUnit2) {
     ((definingCompilationUnit2 as CompilationUnitElementImpl)).enclosingElement = this;
     this._definingCompilationUnit = definingCompilationUnit2;
   }
   /**
    * Set the entry point for this library to the given function.
@@ skipping 41 matching lines @@
     safelyVisitChild(_definingCompilationUnit, visitor);
     safelyVisitChildren(_exports, visitor);
     safelyVisitChildren(_imports, visitor);
     safelyVisitChildren(_parts, visitor);
   }
   /**
    * Answer {@code true} if the receiver directly or indirectly imports the dart:html libraries.
    * @return {@code true} if the receiver directly or indirectly imports the dart:html libraries
    */
   bool isOrImportsBrowserLibrary() {
-    List<LibraryElement> visited = new List<LibraryElement>(10);
+    List<LibraryElement> visited = new List<LibraryElement>();
     Source htmlLibSource = definingCompilationUnit.source.resolve("dart:html");
     visited.add(this);
     for (int index = 0; index < visited.length; index++) {
       LibraryElement library = visited[index];
       Source source10 = library.definingCompilationUnit.source;
       if (source10 == htmlLibSource) {
         return true;
       }
       for (LibraryElement importedLibrary in library.importedLibraries) {
         if (!visited.contains(importedLibrary)) {
           visited.add(importedLibrary);
         }
       }
       for (LibraryElement exportedLibrary in library.exportedLibraries) {
         if (!visited.contains(exportedLibrary)) {
           visited.add(exportedLibrary);
         }
       }
     }
     return false;
   }
 }
 /**
  * Instances of the class {@code LocalVariableElementImpl} implement a {@code LocalVariableElement}.
+ * @coverage dart.engine.element
  */
 class LocalVariableElementImpl extends VariableElementImpl implements LocalVariableElement {
   /**
    * The offset to the beginning of the visible range for this element.
    */
   int _visibleRangeOffset = 0;
   /**
    * The length of the visible range for this element, or {@code -1} if this element does not have a
    * visible range.
    */
@@ skipping 28 matching lines @@
     _visibleRangeLength = length;
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append(type);
     builder.append(" ");
     builder.append(name);
   }
 }
 /**
  * Instances of the class {@code MethodElementImpl} implement a {@code MethodElement}.
+ * @coverage dart.engine.element
  */
 class MethodElementImpl extends ExecutableElementImpl implements MethodElement {
   /**
    * An empty array of method elements.
    */
   static List<MethodElement> EMPTY_ARRAY = new List<MethodElement>(0);
   /**
    * Initialize a newly created method element to have the given name.
    * @param name the name of this element
    */
   MethodElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_175_impl(name);
+    _jtd_constructor_181_impl(name);
   }
-  _jtd_constructor_175_impl(Identifier name) {
+  _jtd_constructor_181_impl(Identifier name) {
   }
   /**
    * Initialize a newly created method element to have the given name.
    * @param name the name of this element
    * @param nameOffset the offset of the name of this element in the file that contains the
    * declaration of this element
    */
   MethodElementImpl.con2(String name, int nameOffset) : super.con2(name, nameOffset) {
-    _jtd_constructor_176_impl(name, nameOffset);
+    _jtd_constructor_182_impl(name, nameOffset);
   }
-  _jtd_constructor_176_impl(String name, int nameOffset) {
+  _jtd_constructor_182_impl(String name, int nameOffset) {
   }
   accept(ElementVisitor visitor) => visitor.visitMethodElement(this);
   ClassElement get enclosingElement => super.enclosingElement as ClassElement;
   ElementKind get kind => ElementKind.METHOD;
   bool isAbstract() => hasModifier(Modifier.ABSTRACT);
   bool isStatic() => hasModifier(Modifier.STATIC);
   /**
    * Set whether this method is abstract to correspond to the given value.
    * @param isAbstract {@code true} if the method is abstract
    */
@@ skipping 10 matching lines @@
   void appendTo(JavaStringBuilder builder) {
     builder.append(enclosingElement.name);
     builder.append(".");
     builder.append(name);
     super.appendTo(builder);
   }
 }
 /**
  * The enumeration {@code Modifier} defines constants for all of the modifiers defined by the Dart
  * language and for a few additional flags that are useful.
+ * @coverage dart.engine.element
  */
 class Modifier {
   static final Modifier ABSTRACT = new Modifier('ABSTRACT', 0);
   static final Modifier CONST = new Modifier('CONST', 1);
   static final Modifier FACTORY = new Modifier('FACTORY', 2);
   static final Modifier FINAL = new Modifier('FINAL', 3);
   static final Modifier GETTER = new Modifier('GETTER', 4);
   static final Modifier INITIALIZING_FORMAL = new Modifier('INITIALIZING_FORMAL', 5);
   static final Modifier MIXIN = new Modifier('MIXIN', 6);
   static final Modifier SETTER = new Modifier('SETTER', 7);
   static final Modifier STATIC = new Modifier('STATIC', 8);
   static final Modifier SYNTHETIC = new Modifier('SYNTHETIC', 9);
   static final Modifier TYPEDEF = new Modifier('TYPEDEF', 10);
   static final List<Modifier> values = [ABSTRACT, CONST, FACTORY, FINAL, GETTER, INITIALIZING_FORMAL, MIXIN, SETTER, STATIC, SYNTHETIC, TYPEDEF];
   final String __name;
   final int __ordinal;
+  int get ordinal => __ordinal;
   Modifier(this.__name, this.__ordinal) {
   }
   String toString() => __name;
 }
 /**
  * Instances of the class {@code MultiplyDefinedElementImpl} represent a collection of elements that
  * have the same name within the same scope.
+ * @coverage dart.engine.element
  */
 class MultiplyDefinedElementImpl implements MultiplyDefinedElement {
   /**
    * The analysis context in which the multiply defined elements are defined.
    */
   AnalysisContext _context;
   /**
    * The name of the conflicting elements.
    */
   String _name;
@@ skipping 72 matching lines @@
    */
   List<Element> computeConflictingElements(Element firstElement, Element secondElement) {
     List<Element> elements = new List<Element>();
     add(elements, firstElement);
     add(elements, secondElement);
     return new List.from(elements);
   }
 }
 /**
  * Instances of the class {@code ParameterElementImpl} implement a {@code ParameterElement}.
+ * @coverage dart.engine.element
  */
 class ParameterElementImpl extends VariableElementImpl implements ParameterElement {
   /**
    * The kind of this parameter.
    */
   ParameterKind _parameterKind;
   /**
    * The offset to the beginning of the visible range for this element.
    */
   int _visibleRangeOffset = 0;
@@ skipping 51 matching lines @@
     builder.append(type);
     builder.append(" ");
     builder.append(name);
     builder.append(" (");
     builder.append(kind);
     builder.append(")");
   }
 }
 /**
  * Instances of the class {@code PrefixElementImpl} implement a {@code PrefixElement}.
+ * @coverage dart.engine.element
  */
 class PrefixElementImpl extends ElementImpl implements PrefixElement {
   /**
    * An array containing all of the libraries that are imported using this prefix.
    */
   List<LibraryElement> _importedLibraries = LibraryElementImpl.EMPTY_ARRAY;
   /**
    * An empty array of prefix elements.
    */
   static List<PrefixElement> EMPTY_ARRAY = new List<PrefixElement>(0);
@@ skipping 17 matching lines @@
     }
     this._importedLibraries = importedLibraries2;
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append("as ");
     super.appendTo(builder);
   }
 }
 /**
  * Instances of the class {@code PropertyAccessorElementImpl} implement a{@code PropertyAccessorElement}.
+ * @coverage dart.engine.element
  */
 class PropertyAccessorElementImpl extends ExecutableElementImpl implements PropertyAccessorElement {
   /**
    * The variable associated with this accessor.
    */
   PropertyInducingElement _variable;
   /**
    * An empty array of property accessor elements.
    */
   static List<PropertyAccessorElement> EMPTY_ARRAY = new List<PropertyAccessorElement>(0);
   /**
    * Initialize a newly created property accessor element to have the given name.
    * @param name the name of this element
    */
   PropertyAccessorElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_181_impl(name);
+    _jtd_constructor_187_impl(name);
   }
-  _jtd_constructor_181_impl(Identifier name) {
+  _jtd_constructor_187_impl(Identifier name) {
   }
   /**
    * Initialize a newly created synthetic property accessor element to be associated with the given
    * variable.
    * @param variable the variable with which this access is associated
    */
   PropertyAccessorElementImpl.con2(PropertyInducingElementImpl variable2) : super.con2(variable2.name, -1) {
-    _jtd_constructor_182_impl(variable2);
+    _jtd_constructor_188_impl(variable2);
   }
-  _jtd_constructor_182_impl(PropertyInducingElementImpl variable2) {
+  _jtd_constructor_188_impl(PropertyInducingElementImpl variable2) {
     this._variable = variable2;
     synthetic = true;
   }
   accept(ElementVisitor visitor) => visitor.visitPropertyAccessorElement(this);
   bool operator ==(Object object) => super == object && identical(isGetter(), ((object as PropertyAccessorElement)).isGetter());
   ElementKind get kind {
     if (isGetter()) {
       return ElementKind.GETTER;
     }
     return ElementKind.SETTER;
@@ skipping 24 matching lines @@
     this._variable = variable3;
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append(isGetter() ? "get " : "set ");
     builder.append(variable.name);
     super.appendTo(builder);
   }
 }
 /**
  * Instances of the class {@code PropertyInducingElementImpl} implement a{@code PropertyInducingElement}.
+ * @coverage dart.engine.element
  */
 abstract class PropertyInducingElementImpl extends VariableElementImpl implements PropertyInducingElement {
   /**
    * The getter associated with this element.
    */
   PropertyAccessorElement _getter;
   /**
    * The setter associated with this element, or {@code null} if the element is effectively{@code final} and therefore does not have a setter associated with it.
    */
   PropertyAccessorElement _setter;
   /**
    * An empty array of elements.
    */
   static List<PropertyInducingElement> EMPTY_ARRAY = new List<PropertyInducingElement>(0);
   /**
    * Initialize a newly created element to have the given name.
    * @param name the name of this element
    */
   PropertyInducingElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_183_impl(name);
+    _jtd_constructor_189_impl(name);
   }
-  _jtd_constructor_183_impl(Identifier name) {
+  _jtd_constructor_189_impl(Identifier name) {
   }
   /**
    * Initialize a newly created synthetic element to have the given name.
    * @param name the name of this element
    */
   PropertyInducingElementImpl.con2(String name) : super.con2(name, -1) {
-    _jtd_constructor_184_impl(name);
+    _jtd_constructor_190_impl(name);
   }
-  _jtd_constructor_184_impl(String name) {
+  _jtd_constructor_190_impl(String name) {
     synthetic = true;
   }
   PropertyAccessorElement get getter => _getter;
   PropertyAccessorElement get setter => _setter;
   /**
    * Set the getter associated with this element to the given accessor.
    * @param getter the getter associated with this element
    */
   void set getter(PropertyAccessorElement getter2) {
     this._getter = getter2;
   }
   /**
    * Set the setter associated with this element to the given accessor.
    * @param setter the setter associated with this element
    */
   void set setter(PropertyAccessorElement setter2) {
     this._setter = setter2;
   }
 }
 /**
  * Instances of the class {@code ShowCombinatorImpl} implement a {@link ShowCombinator}.
+ * @coverage dart.engine.element
  */
 class ShowCombinatorImpl implements ShowCombinator {
   /**
    * The names that are to be made visible in the importing library if they are defined in the
    * imported library.
    */
   List<String> _shownNames = StringUtilities.EMPTY_ARRAY;
   /**
    * Initialize a newly created combinator.
    */
@@ skipping 16 matching lines @@
       if (i > 0) {
         builder.append(", ");
       }
       builder.append(_shownNames[i]);
     }
     return builder.toString();
   }
 }
 /**
  * Instances of the class {@code TopLevelVariableElementImpl} implement a{@code TopLevelVariableElement}.
+ * @coverage dart.engine.element
  */
 class TopLevelVariableElementImpl extends PropertyInducingElementImpl implements TopLevelVariableElement {
   /**
    * An empty array of top-level variable elements.
    */
   static List<TopLevelVariableElement> EMPTY_ARRAY = new List<TopLevelVariableElement>(0);
   /**
    * Initialize a newly created top-level variable element to have the given name.
    * @param name the name of this element
    */
   TopLevelVariableElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_186_impl(name);
+    _jtd_constructor_192_impl(name);
   }
-  _jtd_constructor_186_impl(Identifier name) {
+  _jtd_constructor_192_impl(Identifier name) {
   }
   /**
    * Initialize a newly created synthetic top-level variable element to have the given name.
    * @param name the name of this element
    */
   TopLevelVariableElementImpl.con2(String name) : super.con2(name) {
-    _jtd_constructor_187_impl(name);
+    _jtd_constructor_193_impl(name);
   }
-  _jtd_constructor_187_impl(String name) {
+  _jtd_constructor_193_impl(String name) {
   }
   accept(ElementVisitor visitor) => visitor.visitTopLevelVariableElement(this);
   ElementKind get kind => ElementKind.TOP_LEVEL_VARIABLE;
   bool isStatic() => true;
 }
 /**
  * Instances of the class {@code TypeAliasElementImpl} implement a {@code TypeAliasElement}.
+ * @coverage dart.engine.element
  */
 class TypeAliasElementImpl extends ElementImpl implements TypeAliasElement {
   /**
    * An array containing all of the parameters defined by this type alias.
    */
   List<ParameterElement> _parameters = ParameterElementImpl.EMPTY_ARRAY;
   /**
    * The type of function defined by this type alias.
    */
   FunctionType _type;
   /**
    * An array containing all of the type variables defined for this type.
    */
   List<TypeVariableElement> _typeVariables = TypeVariableElementImpl.EMPTY_ARRAY;
   /**
    * An empty array of type alias elements.
    */
   static List<TypeAliasElement> EMPTY_ARRAY = new List<TypeAliasElement>(0);
   /**
    * Initialize a newly created type alias element to have the given name.
    * @param name the name of this element
    */
   TypeAliasElementImpl(Identifier name) : super.con1(name) {
   }
   accept(ElementVisitor visitor) => visitor.visitTypeAliasElement(this);
-  ElementImpl getChild(String identifier28) {
+  ElementImpl getChild(String identifier29) {
     for (VariableElement parameter in _parameters) {
-      if (((parameter as VariableElementImpl)).identifier == identifier28) {
+      if (((parameter as VariableElementImpl)).identifier == identifier29) {
         return parameter as VariableElementImpl;
       }
     }
     for (TypeVariableElement typeVariable in _typeVariables) {
-      if (((typeVariable as TypeVariableElementImpl)).identifier == identifier28) {
+      if (((typeVariable as TypeVariableElementImpl)).identifier == identifier29) {
         return typeVariable as TypeVariableElementImpl;
       }
     }
     return null;
   }
   CompilationUnitElement get enclosingElement => super.enclosingElement as CompilationUnitElement;
   ElementKind get kind => ElementKind.TYPE_ALIAS;
   List<ParameterElement> get parameters => _parameters;
   FunctionType get type => _type;
   List<TypeVariableElement> get typeVariables => _typeVariables;
@@ skipping 55 matching lines @@
     }
     builder.append(")");
     if (_type != null) {
       builder.append(" -> ");
       builder.append(_type.returnType);
     }
   }
 }
 /**
  * Instances of the class {@code TypeVariableElementImpl} implement a {@code TypeVariableElement}.
+ * @coverage dart.engine.element
  */
 class TypeVariableElementImpl extends ElementImpl implements TypeVariableElement {
   /**
    * The type defined by this type variable.
    */
   TypeVariableType _type;
   /**
    * The type representing the bound associated with this variable, or {@code null} if this variable
    * does not have an explicit bound.
    */
@@ skipping 29 matching lines @@
   void appendTo(JavaStringBuilder builder) {
     builder.append(name);
     if (_bound != null) {
       builder.append(" extends ");
       builder.append(_bound);
     }
   }
 }
 /**
  * Instances of the class {@code VariableElementImpl} implement a {@code VariableElement}.
+ * @coverage dart.engine.element
  */
 abstract class VariableElementImpl extends ElementImpl implements VariableElement {
   /**
    * The declared type of this variable.
    */
   Type2 _type;
   /**
    * A synthetic function representing this variable's initializer, or {@code null} if this variable
    * does not have an initializer.
    */
   FunctionElement _initializer;
   /**
    * An empty array of variable elements.
    */
   static List<VariableElement> EMPTY_ARRAY = new List<VariableElement>(0);
   /**
    * Initialize a newly created variable element to have the given name.
    * @param name the name of this element
    */
   VariableElementImpl.con1(Identifier name) : super.con1(name) {
-    _jtd_constructor_190_impl(name);
+    _jtd_constructor_196_impl(name);
   }
-  _jtd_constructor_190_impl(Identifier name) {
+  _jtd_constructor_196_impl(Identifier name) {
   }
   /**
    * Initialize a newly created variable element to have the given name.
    * @param name the name of this element
    * @param nameOffset the offset of the name of this element in the file that contains the
    * declaration of this element
    */
   VariableElementImpl.con2(String name, int nameOffset) : super.con2(name, nameOffset) {
-    _jtd_constructor_191_impl(name, nameOffset);
+    _jtd_constructor_197_impl(name, nameOffset);
   }
-  _jtd_constructor_191_impl(String name, int nameOffset) {
+  _jtd_constructor_197_impl(String name, int nameOffset) {
   }
   FunctionElement get initializer => _initializer;
   Type2 get type => _type;
   bool isConst() => hasModifier(Modifier.CONST);
   bool isFinal() => hasModifier(Modifier.FINAL);
   /**
    * Set whether this variable is const to correspond to the given value.
    * @param isConst {@code true} if the variable is const
    */
   void set const2(bool isConst) {
@@ skipping 28 matching lines @@
     safelyVisitChild(_initializer, visitor);
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append(type);
     builder.append(" ");
     builder.append(name);
   }
 }
 /**
  * The unique instance of the class {@code BottomTypeImpl} implements the type {@code bottom}.
+ * @coverage dart.engine.type
  */
 class BottomTypeImpl extends TypeImpl {
   /**
    * The unique instance of this class.
    */
   static BottomTypeImpl _INSTANCE = new BottomTypeImpl();
   /**
    * Return the unique instance of this class.
    * @return the unique instance of this class
    */
   static BottomTypeImpl get instance => _INSTANCE;
   /**
    * Prevent the creation of instances of this class.
    */
   BottomTypeImpl() : super(null, "<bottom>") {
   }
   bool operator ==(Object object) => identical(object, this);
   bool isMoreSpecificThan(Type2 type) => true;
   bool isSubtypeOf(Type2 type) => true;
   bool isSupertypeOf(Type2 type) => false;
   BottomTypeImpl substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes) => this;
 }
 /**
  * The unique instance of the class {@code DynamicTypeImpl} implements the type {@code dynamic}.
+ * @coverage dart.engine.type
  */
 class DynamicTypeImpl extends TypeImpl {
   /**
    * The unique instance of this class.
    */
   static DynamicTypeImpl _INSTANCE = new DynamicTypeImpl();
   /**
    * Return the unique instance of this class.
    * @return the unique instance of this class
    */
   static DynamicTypeImpl get instance => _INSTANCE;
   /**
    * Prevent the creation of instances of this class.
    */
   DynamicTypeImpl() : super(new DynamicElementImpl(), Keyword.DYNAMIC.syntax) {
     ((element as DynamicElementImpl)).type = this;
   }
   bool operator ==(Object object) => object is DynamicTypeImpl;
   bool isDynamic() => true;
   bool isMoreSpecificThan(Type2 type) => false;
   bool isSubtypeOf(Type2 type) => identical(this, type);
   bool isSupertypeOf(Type2 type) => true;
   DynamicTypeImpl substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes) => this;
 }
 /**
  * Instances of the class {@code FunctionTypeImpl} defines the behavior common to objects
  * representing the type of a function, method, constructor, getter, or setter.
+ * @coverage dart.engine.type
  */
 class FunctionTypeImpl extends TypeImpl implements FunctionType {
   /**
    * Return {@code true} if all of the name/type pairs in the first map are equal to the
    * corresponding name/type pairs in the second map. The maps are expected to iterate over their
    * entries in the same order in which those entries were added to the map.
    * @param firstTypes the first map of name/type pairs being compared
    * @param secondTypes the second map of name/type pairs being compared
    * @return {@code true} if all of the name/type pairs in the first map are equal to the
    * corresponding name/type pairs in the second map
@@ skipping 55 matching lines @@
   /**
    * The type of object returned by this type of function.
    */
   Type2 _returnType = VoidTypeImpl.instance;
   /**
    * Initialize a newly created function type to be declared by the given element and to have the
    * given name.
    * @param element the element representing the declaration of the function type
    */
   FunctionTypeImpl.con1(ExecutableElement element) : super(element, element == null ? null : element.name) {
-    _jtd_constructor_242_impl(element);
+    _jtd_constructor_248_impl(element);
   }
-  _jtd_constructor_242_impl(ExecutableElement element) {
+  _jtd_constructor_248_impl(ExecutableElement element) {
   }
   /**
    * Initialize a newly created function type to be declared by the given element and to have the
    * given name.
    * @param element the element representing the declaration of the function type
    */
   FunctionTypeImpl.con2(TypeAliasElement element) : super(element, element == null ? null : element.name) {
-    _jtd_constructor_243_impl(element);
+    _jtd_constructor_249_impl(element);
   }
-  _jtd_constructor_243_impl(TypeAliasElement element) {
+  _jtd_constructor_249_impl(TypeAliasElement element) {
   }
   bool operator ==(Object object) {
     if (object is! FunctionTypeImpl) {
       return false;
     }
     FunctionTypeImpl otherType = object as FunctionTypeImpl;
     return element == otherType.element && JavaArrays.equals(_normalParameterTypes, otherType._normalParameterTypes) && JavaArrays.equals(_optionalParameterTypes, otherType._optionalParameterTypes) && equals2(_namedParameterTypes, otherType._namedParameterTypes);
   }
   Map<String, Type2> get namedParameterTypes => _namedParameterTypes;
   List<Type2> get normalParameterTypes => _normalParameterTypes;
   List<Type2> get optionalParameterTypes => _optionalParameterTypes;
   Type2 get returnType => _returnType;
   List<Type2> get typeArguments => _typeArguments;
   int get hashCode {
-    Element element37 = element;
-    if (element37 == null) {
+    Element element39 = element;
+    if (element39 == null) {
       return 0;
     }
-    return element37.hashCode;
+    return element39.hashCode;
   }
   bool isSubtypeOf(Type2 type) {
     if (type == null) {
       return false;
     } else if (identical(this, type) || type.isDynamic() || type.isDartCoreFunction()) {
       return true;
     } else if (type is! FunctionType) {
       return false;
     } else if (this == type) {
       return true;
@@ skipping 90 matching lines @@
     this._typeArguments = typeArguments4;
   }
   FunctionTypeImpl substitute4(List<Type2> argumentTypes) => substitute2(argumentTypes, typeArguments);
   FunctionTypeImpl substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes) {
     if (argumentTypes.length != parameterTypes.length) {
       throw new IllegalArgumentException("argumentTypes.length (${argumentTypes.length}) != parameterTypes.length (${parameterTypes.length})");
     }
     if (argumentTypes.length == 0) {
       return this;
     }
-    Element element38 = element;
-    FunctionTypeImpl newType = (element38 is ExecutableElement) ? new FunctionTypeImpl.con1((element38 as ExecutableElement)) : new FunctionTypeImpl.con2((element38 as TypeAliasElement));
+    Element element40 = element;
+    FunctionTypeImpl newType = (element40 is ExecutableElement) ? new FunctionTypeImpl.con1((element40 as ExecutableElement)) : new FunctionTypeImpl.con2((element40 as TypeAliasElement));
     newType.returnType = _returnType.substitute2(argumentTypes, parameterTypes);
     newType.normalParameterTypes = TypeImpl.substitute(_normalParameterTypes, argumentTypes, parameterTypes);
     newType.optionalParameterTypes = TypeImpl.substitute(_optionalParameterTypes, argumentTypes, parameterTypes);
     newType._namedParameterTypes = substitute3(_namedParameterTypes, argumentTypes, parameterTypes);
     return newType;
   }
   void appendTo(JavaStringBuilder builder) {
     builder.append("(");
     bool needsComma = false;
     if (_normalParameterTypes.length > 0) {
@@ skipping 47 matching lines @@
       builder.append("null");
     } else {
       ((_returnType as TypeImpl)).appendTo(builder);
     }
   }
 }
 /**
  * Instances of the class {@code InterfaceTypeImpl} defines the behavior common to objects
  * representing the type introduced by either a class or an interface, or a reference to such a
  * type.
+ * @coverage dart.engine.type
  */
 class InterfaceTypeImpl extends TypeImpl implements InterfaceType {
   /**
    * An empty array of types.
    */
   static List<InterfaceType> EMPTY_ARRAY = new List<InterfaceType>(0);
   /**
    * This method computes the longest inheritance path from some passed {@link Type} to Object.
    * @param type the {@link Type} to compute the longest inheritance path of from the passed{@link Type} to Object
    * @return the computed longest inheritance path to Object
@@ skipping 44 matching lines @@
   /**
    * Returns the set of all superinterfaces of the passed {@link Type}. This is a recursive method,
    * callers should call the public {@link #computeSuperinterfaceSet(Type)}.
    * @param type the {@link Type} to compute the set of superinterfaces of
    * @param set a {@link HashSet} used recursively by this method
    * @return the {@link Set} of superinterfaces of the passed {@link Type}
    * @see #computeSuperinterfaceSet(Type)
    * @see #getLeastUpperBound(Type)
    */
   static Set<InterfaceType> computeSuperinterfaceSet2(InterfaceType type, Set<InterfaceType> set) {
-    Element element39 = type.element;
-    if (element39 != null && element39 is ClassElement) {
-      ClassElement classElement = element39 as ClassElement;
+    Element element41 = type.element;
+    if (element41 != null && element41 is ClassElement) {
+      ClassElement classElement = element41 as ClassElement;
       List<InterfaceType> superinterfaces = classElement.interfaces;
       for (InterfaceType superinterface in superinterfaces) {
         javaSetAdd(set, superinterface);
         computeSuperinterfaceSet2(superinterface, set);
       }
       InterfaceType supertype4 = classElement.supertype;
       if (supertype4 != null) {
         javaSetAdd(set, supertype4);
         computeSuperinterfaceSet2(supertype4, set);
       }
     }
     return set;
   }
   /**
    * An array containing the actual types of the type arguments.
    */
   List<Type2> _typeArguments = TypeImpl.EMPTY_ARRAY;
   /**
    * Initialize a newly created type to be declared by the given element.
    * @param element the element representing the declaration of the type
    */
   InterfaceTypeImpl.con1(ClassElement element) : super(element, element.name) {
-    _jtd_constructor_244_impl(element);
+    _jtd_constructor_250_impl(element);
   }
-  _jtd_constructor_244_impl(ClassElement element) {
+  _jtd_constructor_250_impl(ClassElement element) {
   }
   /**
    * Initialize a newly created type to have the given name. This constructor should only be used in
    * cases where there is no declaration of the type.
    * @param name the name of the type
    */
   InterfaceTypeImpl.con2(String name) : super(null, name) {
-    _jtd_constructor_245_impl(name);
+    _jtd_constructor_251_impl(name);
   }
-  _jtd_constructor_245_impl(String name) {
+  _jtd_constructor_251_impl(String name) {
   }
   bool operator ==(Object object) {
     if (object is! InterfaceTypeImpl) {
       return false;
     }
     InterfaceTypeImpl otherType = object as InterfaceTypeImpl;
     return element == otherType.element && JavaArrays.equals(_typeArguments, otherType._typeArguments);
   }
   ClassElement get element => super.element as ClassElement;
   Type2 getLeastUpperBound(Type2 type) {
@@ skipping 35 matching lines @@
       }
     }
     return null;
   }
   Type2 get superclass {
     ClassElement classElement = element;
     return element.supertype.substitute2(_typeArguments, TypeVariableTypeImpl.getTypes(classElement.typeVariables));
   }
   List<Type2> get typeArguments => _typeArguments;
   int get hashCode {
-    ClassElement element40 = element;
-    if (element40 == null) {
+    ClassElement element42 = element;
+    if (element42 == null) {
       return 0;
     }
-    return element40.hashCode;
+    return element42.hashCode;
   }
   bool isDartCoreFunction() {
-    ClassElement element41 = element;
-    if (element41 == null) {
+    ClassElement element43 = element;
+    if (element43 == null) {
       return false;
     }
-    return element41.name == "Function" && element41.library.isDartCore();
+    return element43.name == "Function" && element43.library.isDartCore();
   }
   bool isDirectSupertypeOf(InterfaceType type) {
     ClassElement i = element;
     ClassElement j = type.element;
     InterfaceType supertype5 = j.supertype;
     if (supertype5 == null) {
       return false;
     }
     ClassElement supertypeElement = supertype5.element;
     if (supertypeElement == i) {
@@ skipping 124 matching lines @@
         }
         ((_typeArguments[i] as TypeImpl)).appendTo(builder);
       }
       builder.append(">");
     }
   }
 }
 /**
  * The abstract class {@code TypeImpl} implements the behavior common to objects representing the
  * declared type of elements in the element model.
+ * @coverage dart.engine.type
  */
 abstract class TypeImpl implements Type2 {
   /**
    * Return an array containing the results of using the given argument types and parameter types to
    * perform a substitution on all of the given types.
    * @param types the types on which a substitution is to be performed
    * @param argumentTypes the argument types for the substitution
    * @param parameterTypes the parameter types for the substitution
    * @return the result of performing the substitution on each of the types
    */
@@ skipping 52 matching lines @@
     if (_name == null) {
       builder.append("<unnamed type>");
     } else {
       builder.append(_name);
     }
   }
 }
 /**
  * Instances of the class {@code TypeVariableTypeImpl} defines the behavior of objects representing
  * the type introduced by a type variable.
+ * @coverage dart.engine.type
  */
 class TypeVariableTypeImpl extends TypeImpl implements TypeVariableType {
   /**
    * Return an array containing the type variable types defined by the given array of type variable
    * elements.
    * @param typeVariables the type variable elements defining the type variable types to be returned
    * @return the type variable types defined by the type variable elements
    */
   static List<TypeVariableType> getTypes(List<TypeVariableElement> typeVariables) {
     int count = typeVariables.length;
@@ skipping 23 matching lines @@
     for (int i = 0; i < length7; i++) {
       if (parameterTypes[i] == this) {
         return argumentTypes[i];
       }
     }
     return this;
   }
 }
 /**
  * The unique instance of the class {@code VoidTypeImpl} implements the type {@code void}.
+ * @coverage dart.engine.type
  */
 class VoidTypeImpl extends TypeImpl implements VoidType {
   /**
    * The unique instance of this class.
    */
   static VoidTypeImpl _INSTANCE = new VoidTypeImpl();
   /**
    * Return the unique instance of this class.
    * @return the unique instance of this class
    */
@@ skipping 14 matching lines @@
  * <ol>
  * <li>The types of functions that only have required parameters. These have the general form
  * <i>(T<sub>1</sub>, &hellip;, T<sub>n</sub>) &rarr; T</i>.</li>
  * <li>The types of functions with optional positional parameters. These have the general form
  * <i>(T<sub>1</sub>, &hellip;, T<sub>n</sub>, [T<sub>n+1</sub>, &hellip;, T<sub>n+k</sub>]) &rarr;
  * T</i>.</li>
  * <li>The types of functions with named positional parameters. These have the general form
  * <i>(T<sub>1</sub>, &hellip;, T<sub>n</sub>, {T<sub>x1</sub> x1, &hellip;, T<sub>xk</sub> xk})
  * &rarr; T</i>.</li>
  * </ol>
+ * @coverage dart.engine.type
  */
 abstract class FunctionType implements Type2 {
   /**
    * Return a map from the names of named parameters to the types of the named parameters of this
    * type of function. The entries in the map will be iterated in the same order as the order in
    * which the named parameters were defined. If there were no named parameters declared then the
    * map will be empty.
    * @return a map from the name to the types of the named parameters of this type of function
    */
   Map<String, Type2> get namedParameterTypes;
@@ skipping 94 matching lines @@
    * This is fully equivalent to {@code substitute(argumentTypes, getTypeArguments())}.
    * @param argumentTypes the actual type arguments being substituted for the type parameters
    * @return the result of performing the substitution
    */
   FunctionType substitute4(List<Type2> argumentTypes);
   FunctionType substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes);
 }
 /**
  * The interface {@code InterfaceType} defines the behavior common to objects representing the type
  * introduced by either a class or an interface, or a reference to such a type.
+ * @coverage dart.engine.type
  */
 abstract class InterfaceType implements Type2 {
   ClassElement get element;
   /**
    * Return the least upper bound of this type and the given type, or {@code null} if there is no
    * least upper bound.
    * <p>
    * Given two interfaces <i>I</i> and <i>J</i>, let <i>S<sub>I</sub></i> be the set of
    * superinterfaces of <i>I<i>, let <i>S<sub>J</sub></i> be the set of superinterfaces of <i>J</i>
    * and let <i>S = (I &cup; S<sub>I</sub>) &cap; (J &cup; S<sub>J</sub>)</i>. Furthermore, we
@@ skipping 71 matching lines @@
    * This is fully equivalent to {@code substitute(argumentTypes, getTypeArguments())}.
    * @param argumentTypes the actual type arguments being substituted for the type parameters
    * @return the result of performing the substitution
    */
   InterfaceType substitute5(List<Type2> argumentTypes);
   InterfaceType substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes);
 }
 /**
  * The interface {@code Type} defines the behavior of objects representing the declared type of
  * elements in the element model.
+ * @coverage dart.engine.type
  */
 abstract class Type2 {
   /**
    * Return the element representing the declaration of this type, or {@code null} if the type has
    * not, or cannot, be associated with an element. The former case will occur if the element model
    * is not yet complete; the latter case will occur if this object represents an undefined type.
    * @return the element representing the declaration of this type
    */
   Element get element;
   /**
@@ skipping 63 matching lines @@
    * directly.
    * @param argumentTypes the actual type arguments being substituted for the parameters
    * @param parameterTypes the parameters to be replaced
    * @return the result of performing the substitution
    */
   Type2 substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes);
 }
 /**
  * The interface {@code TypeVariableType} defines the behavior of objects representing the type
  * introduced by a type variable.
+ * @coverage dart.engine.type
  */
 abstract class TypeVariableType implements Type2 {
   TypeVariableElement get element;
 }
 /**
  * The interface {@code VoidType} defines the behavior of the unique object representing the type{@code void}.
+ * @coverage dart.engine.type
  */
 abstract class VoidType implements Type2 {
   VoidType substitute2(List<Type2> argumentTypes, List<Type2> parameterTypes);
 }