Remove ExecutableElement.labels altogether.

pkg/analyzer/lib/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.
 
 /**
  * Defines the element model. The element model describes the semantic (as
  * opposed to syntactic) structure of Dart code. The syntactic structure of the
  * code is modeled by the [AST structure](../ast/ast.dart).
  *
  * The element model consists of two closely related kinds of objects: elements
@@ skipping 1136 matching lines @@
    * element that is not associated with a particular instance, but rather with
    * an entire library or class.
    */
   bool get isStatic;
 
   /**
    * Return `true` if this executable element has a body marked as being
    * synchronous.
    */
   bool get isSynchronous;
-
-  /**
-   * Return a list containing all of the labels defined within this executable
-   * element.
-   */
-  List<LabelElement> get labels;
 }
 
 /**
  * An export directive within a library.
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class ExportElement implements Element, UriReferencedElement {
   /**
    * An empty list of export elements.
@@ skipping 900 matching lines @@
   DartType get type;
 
   /**
    * Return a representation of the value of this variable, forcing the value
    * to be computed if it had not previously been computed, or `null` if either
    * this variable was not declared with the 'const' modifier or if the value of
    * this variable could not be computed because of errors.
    */
   DartObject computeConstantValue();
 }