code: function _gpfHttpMockAdd (definition) {
      var method = definition.method.toUpperCase(),
          id = method + "." + _gpfHttpMockLastId++;
      _gpfHttpMockGetMockedRequests(method).unshift(Object.assign({
          id: id
      }, definition));
      return id;
  }
docs: Add a mocked request
  
  @param {gpf.typedef.mockedRequest} definition Mocked request definition
  @return {gpf.typedef.mockedRequestID} Mocked request identifier, to be used with {@link gpf.http.mock.remove}
  @see gpf.http
  @since 0.2.2