function Replacer() {
  /**
   * A dictionary of temporary objects that contain a reference to
   * the property's parent object (|parent|), and the property's
   * original value (|value|).
   */
  this.old_ = {};
}
/**
 * A property replacer utility class. Useful for substituting real functions
 * and properties with mocks and then reverting the changes. Inspired by
 * Closure's PropertyReplacer class.
 * @constructor
 */
A property replacer utility class. Useful for substituting real functions
and properties with mocks and then reverting the changes. Inspired by
Closure's PropertyReplacer class.
@constructor
A property replacer utility class . Useful for substituting real functions and properties with mocks and then reverting the changes . Inspired by Closure ' s PropertyReplacer class . @constructor
function Replacer() {
  this.old_ = {};
}
function Replacer ( ) { this . old_ = { } ; }
A property replacer utility class.
A property replacer utility class .
/**
   * A dictionary of temporary objects that contain a reference to
   * the property's parent object (|parent|), and the property's
   * original value (|value|).
   */