code: function _returnMessage(message, target) {
                  return this.circuit.run(function (success, failure) {
                      try {
                          var initiated = this.messageChannel.postMessage.call(this.messageChannel, message, target);
  
                          if (false === initiated) {
                              failure();
                          }
                          else {
                              success();
                          }
                      }
                      catch (ex) {
                          failure();
                      }
                  }.bind(this));
              }
docs: Method for posting the returned message via the circuit breaker
  @param {Object} message - the message to post.
  @param {bject} [target] - optional target for post.
  @private