Deprecate PrefixElement.importedLibraries.

pkg/analyzer/lib/src/dart/element/element.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.src.dart.element.element;
 
 import 'dart:collection';
 import 'dart:math' show min;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 4282 matching lines @@
       buffer.write(defaultValueCode);
     }
   }
 }
 
 /**
  * A concrete implementation of a [PrefixElement].
  */
 class PrefixElementImpl extends ElementImpl implements PrefixElement {
   /**
-   * A list containing all of the libraries that are imported using this prefix.
-   */
-  List<LibraryElement> _importedLibraries = LibraryElement.EMPTY_LIST;
-
-  /**
    * Initialize a newly created method element to have the given [name] and
    * [offset].
    */
   PrefixElementImpl(String name, int nameOffset) : super(name, nameOffset);
 
   /**
    * Initialize a newly created prefix element to have the given [name].
    */
   PrefixElementImpl.forNode(Identifier name) : super.forNode(name);
 
   @override
   LibraryElement get enclosingElement =>
       super.enclosingElement as LibraryElement;
 
   @override
   String get identifier => "_${super.identifier}";
 
   @override
-  List<LibraryElement> get importedLibraries => _importedLibraries;
-
-  /**
-   * Set the libraries that are imported using this prefix to the given
-   * [libraries].
-   */
-  void set importedLibraries(List<LibraryElement> libraries) {
-    for (LibraryElement library in libraries) {
-      (library as LibraryElementImpl).enclosingElement = this;
-    }
-    _importedLibraries = libraries;
-  }
+  List<LibraryElement> get importedLibraries => LibraryElement.EMPTY_LIST;
 
   @override
   ElementKind get kind => ElementKind.PREFIX;
 
   @override
   accept(ElementVisitor visitor) => visitor.visitPrefixElement(this);
 
   @override
   void appendTo(StringBuffer buffer) {
     buffer.write("as ");
@@ skipping 451 matching lines @@
 
   @override
   void visitElement(Element element) {
     int offset = element.nameOffset;
     if (offset != -1) {
       map[offset] = element;
     }
     super.visitElement(element);
   }
 }