Clean up type parameters in comments

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 706 matching lines @@
    *
    * This method is expensive, because resolved AST might have been already
    * evicted from cache, so parsing and resolving will be performed.
    */
   CompilationUnit get unit;
 
   /**
    * Use the given [visitor] to visit this element. Return the value returned by
    * the visitor as a result of visiting this element.
    */
-  /*=T*/ accept/*<T>*/(ElementVisitor<dynamic/*=T*/ > visitor);
+  T accept<T>(ElementVisitor<T> visitor);
 
   /**
    * Return the documentation comment for this element as it appears in the
    * original source (complete with the beginning and ending delimiters), or
    * `null` if this element does not have a documentation comment associated
    * with it. This can be a long-running operation if the information needed to
    * access the comment is not cached.
    *
    * Throws [AnalysisException] if the documentation comment could not be
    * determined because the analysis could not be performed
@@ skipping 13 matching lines @@
    *
    * <b>Note:</b> This method cannot be used in an async environment.
    */
   AstNode computeNode();
 
   /**
    * Return the most immediate ancestor of this element for which the
    * [predicate] returns `true`, or `null` if there is no such ancestor. Note
    * that this element will never be returned.
    */
-  Element/*=E*/ getAncestor/*<E extends Element >*/(
-      Predicate<Element> predicate);
+  E getAncestor<E extends Element>(Predicate<Element> predicate);
 
   /**
    * Return a display name for the given element that includes the path to the
    * compilation unit in which the type is defined. If [shortName] is `null`
    * then [displayName] will be used as the name of this element. Otherwise
    * the provided name will be used.
    */
   // TODO(brianwilkerson) Make the parameter optional.
   String getExtendedDisplayName(String shortName);
 
@@ skipping 1312 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();
 }