anchor.diff:    bool get isConst;
   
     /**
  -   * Returns true if this mirror is equal to [other].
  +   * Whether this mirror is equal to [other].
      *
      * The equality holds if and only if
  -   * (1) [other] is a mirror of the same kind
  -   * and
  -   * (2)  [:simpleName == other.simpleName:] and
  -   * [:owner == other.owner:].
  -   */
  -   bool operator == (other);
  +   *
  +   * 1. [other] is a mirror of the same kind, and
  +   * 2. [:simpleName == other.simpleName:] and [:owner == other.owner:].
  +   */
  +  bool operator == (other);
   }
   
   /**
  
positive.code: 
  
    /**
     * Checks the subtype relationship, denoted by [:<::] in the language
     * specification. This is the type relationship used in [:is:] test checks.
     */
    bool isSubtypeOf(TypeMirror other);
  
    /**
     * Checks the assignability relationship, denoted by [:<=>:] in the language
     * specification. This is the type relationship tested on assignment in
     * checked mode.
     */
    bool isAssignableTo(TypeMirror other);
  }
  
negative.code:   ClassMirror get type;
  
    /**
     * Whether [reflectee] will return the instance reflected by this mirror.
     *
     * This will always be true in the local case (reflecting instances in the
     * same isolate), but only true in the remote case if this mirror reflects a
     * simple value.
     *
     * A value is simple if one of the following holds:
     *
     * * the value is [:null:]
     * * the value is of type [num]
     * * the value is of type [bool]
     * * the value is of type [String]
     */
    bool get hasReflectee;
  
  