anchor.diff:     * Let *s* be the contents of the string used to construct the symbol [name].
      *
      * If the expression *s* occurs within the source code of the reflectee,
  -   * and that any such occurrence refers to a declaration outside the reflectee,
  +   * and if any such occurrence refers to a declaration outside the reflectee,
      * then let *v* be the result of evaluating the expression *s* at such
      * an occurrence.
      * If *s = this*, and the reflectee was defined within the instance scope of
  
positive.code: 
  /**
   * A [TypeMirror] reflects a Dart language class, typedef,
   * or type variable.
   */
  abstract class TypeMirror implements DeclarationMirror {
  }
  
  /**
  
negative.code:   bool get isFinal;
  
    /**
     * Returns [:true:] if the reflectee is declared [:const:].
     * Otherwise returns [:false:].
     */
    bool get isConst;
  
    /**
     * Returns true if this mirror is equal to [other].
     *
     * The equality holds if and only if
  