Move element handles out of generated

pkg/analyzer/lib/src/generated/element_handle.dart

Index: pkg/analyzer/lib/src/generated/element_handle.dart
diff --git a/pkg/analyzer/lib/src/generated/element_handle.dart b/pkg/analyzer/lib/src/generated/element_handle.dart
index 9ed587fcc2a8ff627165343095d5a8f0e4642a17..115c44ded66616eb5a1de3ed906efba9dbcf43ee 100644
--- a/pkg/analyzer/lib/src/generated/element_handle.dart
+++ b/pkg/analyzer/lib/src/generated/element_handle.dart
@@ -2,1101 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+@deprecated
 library analyzer.src.generated.element_handle;
 
-import 'package:analyzer/dart/ast/ast.dart';
-import 'package:analyzer/dart/element/element.dart';
-import 'package:analyzer/dart/element/type.dart';
-import 'package:analyzer/src/dart/element/element.dart';
-import 'package:analyzer/src/generated/constant.dart';
-import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/java_engine.dart';
-import 'package:analyzer/src/generated/resolver.dart';
-import 'package:analyzer/src/generated/source.dart';
-import 'package:analyzer/src/generated/utilities_dart.dart';
-
-/**
- * Instances of the class `ClassElementHandle` implement a handle to a `ClassElement`.
- */
-class ClassElementHandle extends ElementHandle implements ClassElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  ClassElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  List<PropertyAccessorElement> get accessors => actualElement.accessors;
-
-  @override
-  ClassElement get actualElement => super.actualElement as ClassElement;
-
-  @override
-  List<InterfaceType> get allSupertypes => actualElement.allSupertypes;
-
-  @override
-  List<ConstructorElement> get constructors => actualElement.constructors;
-
-  @override
-  List<FieldElement> get fields => actualElement.fields;
-
-  @override
-  bool get hasNonFinalField => actualElement.hasNonFinalField;
-
-  @override
-  bool get hasReferenceToSuper => actualElement.hasReferenceToSuper;
-
-  @override
-  bool get hasStaticMember => actualElement.hasStaticMember;
-
-  @override
-  List<InterfaceType> get interfaces => actualElement.interfaces;
-
-  @override
-  bool get isAbstract => actualElement.isAbstract;
-
-  @override
-  bool get isEnum => actualElement.isEnum;
-
-  @override
-  bool get isMixinApplication => actualElement.isMixinApplication;
-
-  @override
-  bool get isOrInheritsProxy => actualElement.isOrInheritsProxy;
-
-  @override
-  bool get isProxy => actualElement.isProxy;
-
-  @override
-  bool get isValidMixin => actualElement.isValidMixin;
-
-  @override
-  ElementKind get kind => ElementKind.CLASS;
-
-  @override
-  List<MethodElement> get methods => actualElement.methods;
-
-  @override
-  List<InterfaceType> get mixins => actualElement.mixins;
-
-  @override
-  InterfaceType get supertype => actualElement.supertype;
-
-  @override
-  InterfaceType get type => actualElement.type;
-
-  @override
-  List<TypeParameterElement> get typeParameters => actualElement.typeParameters;
-
-  @override
-  ConstructorElement get unnamedConstructor => actualElement.unnamedConstructor;
-
-  @override
-  FieldElement getField(String fieldName) => actualElement.getField(fieldName);
-
-  @override
-  PropertyAccessorElement getGetter(String getterName) =>
-      actualElement.getGetter(getterName);
-
-  @override
-  MethodElement getMethod(String methodName) =>
-      actualElement.getMethod(methodName);
-
-  @override
-  ConstructorElement getNamedConstructor(String name) =>
-      actualElement.getNamedConstructor(name);
-
-  @override
-  PropertyAccessorElement getSetter(String setterName) =>
-      actualElement.getSetter(setterName);
-
-  @override
-  bool isSuperConstructorAccessible(ConstructorElement constructor) =>
-      actualElement.isSuperConstructorAccessible(constructor);
-
-  @override
-  MethodElement lookUpConcreteMethod(
-          String methodName, LibraryElement library) =>
-      actualElement.lookUpConcreteMethod(methodName, library);
-
-  @override
-  PropertyAccessorElement lookUpGetter(
-          String getterName, LibraryElement library) =>
-      actualElement.lookUpGetter(getterName, library);
-
-  @override
-  PropertyAccessorElement lookUpInheritedConcreteGetter(
-          String methodName, LibraryElement library) =>
-      actualElement.lookUpInheritedConcreteGetter(methodName, library);
-
-  @override
-  MethodElement lookUpInheritedConcreteMethod(
-          String methodName, LibraryElement library) =>
-      actualElement.lookUpInheritedConcreteMethod(methodName, library);
-
-  @override
-  PropertyAccessorElement lookUpInheritedConcreteSetter(
-          String methodName, LibraryElement library) =>
-      actualElement.lookUpInheritedConcreteSetter(methodName, library);
-
-  @override
-  MethodElement lookUpInheritedMethod(
-          String methodName, LibraryElement library) =>
-      actualElement.lookUpInheritedMethod(methodName, library);
-
-  @override
-  MethodElement lookUpMethod(String methodName, LibraryElement library) =>
-      actualElement.lookUpMethod(methodName, library);
-
-  @override
-  PropertyAccessorElement lookUpSetter(
-          String setterName, LibraryElement library) =>
-      actualElement.lookUpSetter(setterName, library);
-}
-
-/**
- * Instances of the class `CompilationUnitElementHandle` implements a handle to a
- * [CompilationUnitElement].
- */
-class CompilationUnitElementHandle extends ElementHandle
-    implements CompilationUnitElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  CompilationUnitElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  List<PropertyAccessorElement> get accessors => actualElement.accessors;
-
-  @override
-  CompilationUnitElement get actualElement =>
-      super.actualElement as CompilationUnitElement;
-
-  @override
-  LibraryElement get enclosingElement =>
-      super.enclosingElement as LibraryElement;
-
-  @override
-  List<ClassElement> get enums => actualElement.enums;
-
-  @override
-  List<FunctionElement> get functions => actualElement.functions;
-
-  @override
-  List<FunctionTypeAliasElement> get functionTypeAliases =>
-      actualElement.functionTypeAliases;
-
-  @override
-  bool get hasLoadLibraryFunction => actualElement.hasLoadLibraryFunction;
-
-  @override
-  ElementKind get kind => ElementKind.COMPILATION_UNIT;
-
-  @override
-  Source get source => actualElement.source;
-
-  @override
-  List<TopLevelVariableElement> get topLevelVariables =>
-      actualElement.topLevelVariables;
-
-  @override
-  List<ClassElement> get types => actualElement.types;
-
-  @override
-  String get uri => actualElement.uri;
-
-  @override
-  int get uriEnd => actualElement.uriEnd;
-
-  @override
-  int get uriOffset => actualElement.uriOffset;
-
-  @override
-  CompilationUnit computeNode() => actualElement.computeNode();
-
-  @override
-  Element getElementAt(int offset) {
-    return actualElement.getElementAt(offset);
-  }
-
-  @override
-  ClassElement getEnum(String enumName) => actualElement.getEnum(enumName);
-
-  @override
-  ClassElement getType(String className) => actualElement.getType(className);
-}
-
-/**
- * Instances of the class `ConstructorElementHandle` implement a handle to a
- * `ConstructorElement`.
- */
-class ConstructorElementHandle extends ExecutableElementHandle
-    implements ConstructorElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  ConstructorElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ConstructorElement get actualElement =>
-      super.actualElement as ConstructorElement;
-
-  @override
-  ClassElement get enclosingElement => actualElement.enclosingElement;
-
-  @override
-  bool get isConst => actualElement.isConst;
-
-  @override
-  bool get isDefaultConstructor => actualElement.isDefaultConstructor;
-
-  @override
-  bool get isFactory => actualElement.isFactory;
-
-  @override
-  ElementKind get kind => ElementKind.CONSTRUCTOR;
-
-  @override
-  int get nameEnd => actualElement.nameEnd;
-
-  @override
-  int get periodOffset => actualElement.periodOffset;
-
-  @override
-  ConstructorElement get redirectedConstructor =>
-      actualElement.redirectedConstructor;
-
-  @override
-  ConstructorDeclaration computeNode() => actualElement.computeNode();
-}
-
-/**
- * The abstract class `ElementHandle` implements the behavior common to objects that implement
- * a handle to an [Element].
- */
-abstract class ElementHandle implements Element {
-  /**
-   * The unique integer identifier of this element.
-   */
-  final int id = 0;
-
-  /**
-   * The [ElementResynthesizer] which will be used to resynthesize elements on
-   * demand.
-   */
-  final ElementResynthesizer _resynthesizer;
-
-  /**
-   * The location of this element, used to reconstitute the element if it has been garbage
-   * collected.
-   */
-  final ElementLocation _location;
-
-  /**
-   * A reference to the element being referenced by this handle, or `null` if the element has
-   * been garbage collected.
-   */
-  Element _elementReference;
-
-  /**
-   * Initialize a newly created element handle to represent the element at the
-   * given [_location].  [_resynthesizer] will be used to resynthesize the
-   * element when needed.
-   */
-  ElementHandle(this._resynthesizer, this._location);
-
-  /**
-   * Return the element being represented by this handle, reconstituting the element if the
-   * reference has been set to `null`.
-   *
-   * @return the element being represented by this handle
-   */
-  Element get actualElement {
-    if (_elementReference == null) {
-      _elementReference = _resynthesizer.getElement(_location);
-    }
-    return _elementReference;
-  }
-
-  @override
-  AnalysisContext get context => _resynthesizer.context;
-
-  @override
-  String get displayName => actualElement.displayName;
-
-  @deprecated
-  @override
-  SourceRange get docRange => actualElement.docRange;
-
-  @override
-  String get documentationComment => actualElement.documentationComment;
-
-  @override
-  Element get enclosingElement => actualElement.enclosingElement;
-
-  @override
-  int get hashCode => _location.hashCode;
-
-  @override
-  bool get isDeprecated => actualElement.isDeprecated;
-
-  @override
-  bool get isOverride => actualElement.isOverride;
-
-  @override
-  bool get isPrivate => actualElement.isPrivate;
-
-  @override
-  bool get isProtected => actualElement.isProtected;
-
-  @override
-  bool get isPublic => actualElement.isPublic;
-
-  @override
-  bool get isSynthetic => actualElement.isSynthetic;
-
-  @override
-  LibraryElement get library =>
-      getAncestor((element) => element is LibraryElement);
-
-  @override
-  ElementLocation get location => _location;
-
-  @override
-  List<ElementAnnotation> get metadata => actualElement.metadata;
-
-  @override
-  String get name => actualElement.name;
-
-  @override
-  int get nameLength => actualElement.nameLength;
-
-  @override
-  int get nameOffset => actualElement.nameOffset;
-
-  @override
-  Source get source => actualElement.source;
-
-  @override
-  CompilationUnit get unit => actualElement.unit;
-
-  @override
-  bool operator ==(Object object) =>
-      object is Element && object.location == _location;
-
-  @override
-  accept(ElementVisitor visitor) => actualElement.accept(visitor);
-
-  @override
-  String computeDocumentationComment() => documentationComment;
-
-  @override
-  AstNode computeNode() => actualElement.computeNode();
-
-  @override
-  Element getAncestor(Predicate<Element> predicate) =>
-      actualElement.getAncestor(predicate);
-
-  @override
-  String getExtendedDisplayName(String shortName) =>
-      actualElement.getExtendedDisplayName(shortName);
-
-  @override
-  bool isAccessibleIn(LibraryElement library) =>
-      actualElement.isAccessibleIn(library);
-
-  @override
-  void visitChildren(ElementVisitor visitor) {
-    actualElement.visitChildren(visitor);
-  }
-}
-
-/**
- * Interface which allows an [Element] handle to be resynthesized based on an
- * [ElementLocation].  The concrete classes implementing element handles use
- * this interface to retrieve the underlying elements when queried.
- */
-abstract class ElementResynthesizer {
-  final AnalysisContext context;
-
-  ElementResynthesizer(this.context);
-
-  Element getElement(ElementLocation location);
-}
-
-/**
- * The abstract class `ExecutableElementHandle` implements the behavior common to objects that
- * implement a handle to an [ExecutableElement].
- */
-abstract class ExecutableElementHandle extends ElementHandle
-    implements ExecutableElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  ExecutableElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ExecutableElement get actualElement =>
-      super.actualElement as ExecutableElement;
-
-  @override
-  List<FunctionElement> get functions => actualElement.functions;
-
-  @override
-  bool get hasImplicitReturnType => actualElement.hasImplicitReturnType;
-
-  @override
-  bool get isAbstract => actualElement.isAbstract;
-
-  @override
-  bool get isAsynchronous => actualElement.isAsynchronous;
-
-  @override
-  bool get isExternal => actualElement.isExternal;
-
-  @override
-  bool get isGenerator => actualElement.isGenerator;
-
-  @override
-  bool get isOperator => actualElement.isOperator;
-
-  @override
-  bool get isStatic => actualElement.isStatic;
-
-  @override
-  bool get isSynchronous => actualElement.isSynchronous;
-
-  @override
-  List<LabelElement> get labels => actualElement.labels;
-
-  @override
-  List<LocalVariableElement> get localVariables => actualElement.localVariables;
-
-  @override
-  List<ParameterElement> get parameters => actualElement.parameters;
-
-  @override
-  DartType get returnType => actualElement.returnType;
-
-  @override
-  FunctionType get type => actualElement.type;
-
-  @override
-  List<TypeParameterElement> get typeParameters => actualElement.typeParameters;
-}
-
-/**
- * Instances of the class `ExportElementHandle` implement a handle to an `ExportElement`
- * .
- */
-class ExportElementHandle extends ElementHandle implements ExportElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  ExportElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ExportElement get actualElement => super.actualElement as ExportElement;
-
-  @override
-  List<NamespaceCombinator> get combinators => actualElement.combinators;
-
-  @override
-  LibraryElement get exportedLibrary => actualElement.exportedLibrary;
-
-  @override
-  ElementKind get kind => ElementKind.EXPORT;
-
-  @override
-  String get uri => actualElement.uri;
-
-  @override
-  int get uriEnd => actualElement.uriEnd;
-
-  @override
-  int get uriOffset => actualElement.uriOffset;
-}
-
-/**
- * Instances of the class `FieldElementHandle` implement a handle to a `FieldElement`.
- */
-class FieldElementHandle extends PropertyInducingElementHandle
-    implements FieldElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  FieldElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  FieldElement get actualElement => super.actualElement as FieldElement;
-
-  @override
-  ClassElement get enclosingElement => actualElement.enclosingElement;
-
-  @override
-  bool get isEnumConstant => actualElement.isEnumConstant;
-
-  @override
-  ElementKind get kind => ElementKind.FIELD;
-
-  @override
-  VariableDeclaration computeNode() => actualElement.computeNode();
-}
-
-/**
- * Instances of the class `FunctionElementHandle` implement a handle to a
- * `FunctionElement`.
- */
-class FunctionElementHandle extends ExecutableElementHandle
-    implements FunctionElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  FunctionElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  FunctionElement get actualElement => super.actualElement as FunctionElement;
-
-  @override
-  bool get isEntryPoint => actualElement.isEntryPoint;
-
-  @override
-  ElementKind get kind => ElementKind.FUNCTION;
-
-  @override
-  SourceRange get visibleRange => actualElement.visibleRange;
-
-  @override
-  FunctionDeclaration computeNode() => actualElement.computeNode();
-}
-
-/**
- * Instances of the class `FunctionTypeAliasElementHandle` implement a handle to a
- * `FunctionTypeAliasElement`.
- */
-class FunctionTypeAliasElementHandle extends ElementHandle
-    implements FunctionTypeAliasElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  FunctionTypeAliasElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  FunctionTypeAliasElement get actualElement =>
-      super.actualElement as FunctionTypeAliasElement;
-
-  @override
-  CompilationUnitElement get enclosingElement =>
-      super.enclosingElement as CompilationUnitElement;
-
-  @override
-  ElementKind get kind => ElementKind.FUNCTION_TYPE_ALIAS;
-
-  @override
-  List<ParameterElement> get parameters => actualElement.parameters;
-
-  @override
-  DartType get returnType => actualElement.returnType;
-
-  @override
-  FunctionType get type => actualElement.type;
-
-  @override
-  List<TypeParameterElement> get typeParameters => actualElement.typeParameters;
-
-  @override
-  FunctionTypeAlias computeNode() => actualElement.computeNode();
-}
-
-/**
- * Instances of the class `ImportElementHandle` implement a handle to an `ImportElement`
- * .
- */
-class ImportElementHandle extends ElementHandle implements ImportElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  ImportElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ImportElement get actualElement => super.actualElement as ImportElement;
-
-  @override
-  List<NamespaceCombinator> get combinators => actualElement.combinators;
-
-  @override
-  LibraryElement get importedLibrary => actualElement.importedLibrary;
-
-  @override
-  bool get isDeferred => actualElement.isDeferred;
-
-  @override
-  ElementKind get kind => ElementKind.IMPORT;
-
-  @override
-  PrefixElement get prefix => actualElement.prefix;
-
-  @override
-  int get prefixOffset => actualElement.prefixOffset;
-
-  @override
-  String get uri => actualElement.uri;
-
-  @override
-  int get uriEnd => actualElement.uriEnd;
-
-  @override
-  int get uriOffset => actualElement.uriOffset;
-}
-
-/**
- * Instances of the class `LabelElementHandle` implement a handle to a `LabelElement`.
- */
-class LabelElementHandle extends ElementHandle implements LabelElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  LabelElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ExecutableElement get enclosingElement =>
-      super.enclosingElement as ExecutableElement;
-
-  @override
-  ElementKind get kind => ElementKind.LABEL;
-}
-
-/**
- * Instances of the class `LibraryElementHandle` implement a handle to a
- * `LibraryElement`.
- */
-class LibraryElementHandle extends ElementHandle implements LibraryElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  LibraryElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  LibraryElement get actualElement => super.actualElement as LibraryElement;
-
-  @override
-  CompilationUnitElement get definingCompilationUnit =>
-      actualElement.definingCompilationUnit;
-
-  @override
-  FunctionElement get entryPoint => actualElement.entryPoint;
-
-  @override
-  List<LibraryElement> get exportedLibraries => actualElement.exportedLibraries;
-
-  @override
-  Namespace get exportNamespace => actualElement.exportNamespace;
-
-  @override
-  List<ExportElement> get exports => actualElement.exports;
-
-  @override
-  bool get hasExtUri => actualElement.hasExtUri;
-
-  @override
-  bool get hasLoadLibraryFunction => actualElement.hasLoadLibraryFunction;
-
-  @override
-  String get identifier => location.components.last;
-
-  @override
-  List<LibraryElement> get importedLibraries => actualElement.importedLibraries;
-
-  @override
-  List<ImportElement> get imports => actualElement.imports;
-
-  @override
-  bool get isBrowserApplication => actualElement.isBrowserApplication;
-
-  @override
-  bool get isDartAsync => actualElement.isDartAsync;
-
-  @override
-  bool get isDartCore => actualElement.isDartCore;
-
-  @override
-  bool get isInSdk => actualElement.isInSdk;
-
-  @override
-  ElementKind get kind => ElementKind.LIBRARY;
-
-  @override
-  List<LibraryElement> get libraryCycle => actualElement.libraryCycle;
-
-  @override
-  FunctionElement get loadLibraryFunction => actualElement.loadLibraryFunction;
-
-  @override
-  List<CompilationUnitElement> get parts => actualElement.parts;
-
-  @override
-  List<PrefixElement> get prefixes => actualElement.prefixes;
-
-  @override
-  Namespace get publicNamespace => actualElement.publicNamespace;
-
-  @override
-  List<CompilationUnitElement> get units => actualElement.units;
-
-  @override
-  List<LibraryElement> get visibleLibraries => actualElement.visibleLibraries;
-
-  @override
-  List<ImportElement> getImportsWithPrefix(PrefixElement prefixElement) =>
-      actualElement.getImportsWithPrefix(prefixElement);
-
-  @override
-  ClassElement getType(String className) => actualElement.getType(className);
-
-  @override
-  bool isUpToDate(int timeStamp) => actualElement.isUpToDate(timeStamp);
-}
-
-/**
- * Instances of the class `LocalVariableElementHandle` implement a handle to a
- * `LocalVariableElement`.
- */
-class LocalVariableElementHandle extends VariableElementHandle
-    implements LocalVariableElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  LocalVariableElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  LocalVariableElement get actualElement =>
-      super.actualElement as LocalVariableElement;
-
-  @override
-  ElementKind get kind => ElementKind.LOCAL_VARIABLE;
-
-  @override
-  SourceRange get visibleRange => actualElement.visibleRange;
-
-  @override
-  VariableDeclaration computeNode() => actualElement.computeNode();
-}
-
-/**
- * Instances of the class `MethodElementHandle` implement a handle to a `MethodElement`.
- */
-class MethodElementHandle extends ExecutableElementHandle
-    implements MethodElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  MethodElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  MethodElement get actualElement => super.actualElement as MethodElement;
-
-  @override
-  ClassElement get enclosingElement => super.enclosingElement as ClassElement;
-
-  @override
-  bool get isStatic => actualElement.isStatic;
-
-  @override
-  ElementKind get kind => ElementKind.METHOD;
-
-  @override
-  MethodDeclaration computeNode() => actualElement.computeNode();
-}
-
-/**
- * Instances of the class `ParameterElementHandle` implement a handle to a
- * `ParameterElement`.
- */
-class ParameterElementHandle extends VariableElementHandle
-    with ParameterElementMixin
-    implements ParameterElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  ParameterElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ParameterElement get actualElement => super.actualElement as ParameterElement;
-
-  @override
-  String get defaultValueCode => actualElement.defaultValueCode;
-
-  @override
-  bool get isInitializingFormal => actualElement.isInitializingFormal;
-
-  @override
-  ElementKind get kind => ElementKind.PARAMETER;
-
-  @override
-  ParameterKind get parameterKind => actualElement.parameterKind;
-
-  @override
-  List<ParameterElement> get parameters => actualElement.parameters;
-
-  @override
-  List<TypeParameterElement> get typeParameters => actualElement.typeParameters;
-
-  @override
-  SourceRange get visibleRange => actualElement.visibleRange;
-}
-
-/**
- * Instances of the class `PrefixElementHandle` implement a handle to a `PrefixElement`.
- */
-class PrefixElementHandle extends ElementHandle implements PrefixElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  PrefixElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  PrefixElement get actualElement => super.actualElement as PrefixElement;
-
-  @override
-  LibraryElement get enclosingElement =>
-      super.enclosingElement as LibraryElement;
-
-  @override
-  List<LibraryElement> get importedLibraries => LibraryElement.EMPTY_LIST;
-
-  @override
-  ElementKind get kind => ElementKind.PREFIX;
-}
-
-/**
- * Instances of the class `PropertyAccessorElementHandle` implement a handle to a
- * `PropertyAccessorElement`.
- */
-class PropertyAccessorElementHandle extends ExecutableElementHandle
-    implements PropertyAccessorElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  PropertyAccessorElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  PropertyAccessorElement get actualElement =>
-      super.actualElement as PropertyAccessorElement;
-
-  @override
-  PropertyAccessorElement get correspondingGetter =>
-      actualElement.correspondingGetter;
-
-  @override
-  PropertyAccessorElement get correspondingSetter =>
-      actualElement.correspondingSetter;
-
-  @override
-  bool get isGetter => actualElement.isGetter;
-
-  @override
-  bool get isSetter => actualElement.isSetter;
-
-  @override
-  ElementKind get kind {
-    if (isGetter) {
-      return ElementKind.GETTER;
-    } else {
-      return ElementKind.SETTER;
-    }
-  }
-
-  @override
-  PropertyInducingElement get variable => actualElement.variable;
-}
-
-/**
- * The abstract class `PropertyInducingElementHandle` implements the behavior common to
- * objects that implement a handle to an `PropertyInducingElement`.
- */
-abstract class PropertyInducingElementHandle extends VariableElementHandle
-    implements PropertyInducingElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  PropertyInducingElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  PropertyInducingElement get actualElement =>
-      super.actualElement as PropertyInducingElement;
-
-  @override
-  PropertyAccessorElement get getter => actualElement.getter;
-
-  @override
-  DartType get propagatedType => actualElement.propagatedType;
-
-  @override
-  PropertyAccessorElement get setter => actualElement.setter;
-}
-
-/**
- * Instances of the class `TopLevelVariableElementHandle` implement a handle to a
- * `TopLevelVariableElement`.
- */
-class TopLevelVariableElementHandle extends PropertyInducingElementHandle
-    implements TopLevelVariableElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  TopLevelVariableElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  ElementKind get kind => ElementKind.TOP_LEVEL_VARIABLE;
-}
-
-/**
- * Instances of the class `TypeParameterElementHandle` implement a handle to a
- * [TypeParameterElement].
- */
-class TypeParameterElementHandle extends ElementHandle
-    implements TypeParameterElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  TypeParameterElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  TypeParameterElement get actualElement =>
-      super.actualElement as TypeParameterElement;
-
-  @override
-  DartType get bound => actualElement.bound;
-
-  @override
-  ElementKind get kind => ElementKind.TYPE_PARAMETER;
-
-  @override
-  TypeParameterType get type => actualElement.type;
-}
-
-/**
- * The abstract class `VariableElementHandle` implements the behavior common to objects that
- * implement a handle to an `VariableElement`.
- */
-abstract class VariableElementHandle extends ElementHandle
-    implements VariableElement {
-  /**
-   * Initialize a newly created element handle to represent the given element.
-   *
-   * @param element the element being represented
-   */
-  VariableElementHandle(
-      ElementResynthesizer resynthesizer, ElementLocation location)
-      : super(resynthesizer, location);
-
-  @override
-  VariableElement get actualElement => super.actualElement as VariableElement;
-
-  @override
-  DartObject get constantValue => actualElement.constantValue;
-
-  @override
-  bool get hasImplicitType => actualElement.hasImplicitType;
-
-  @override
-  FunctionElement get initializer => actualElement.initializer;
-
-  @override
-  bool get isConst => actualElement.isConst;
-
-  @override
-  bool get isFinal => actualElement.isFinal;
-
-  @override
-  bool get isPotentiallyMutatedInClosure =>
-      actualElement.isPotentiallyMutatedInClosure;
-
-  @override
-  bool get isPotentiallyMutatedInScope =>
-      actualElement.isPotentiallyMutatedInScope;
-
-  @override
-  bool get isStatic => actualElement.isStatic;
-
-  @override
-  DartType get type => actualElement.type;
-}
+export 'package:analyzer/src/dart/element/handle.dart';
 
 /**
  * TODO(scheglov) invalid implementation