docs: function getError(className, errorCode, methodName) {
              if (info.errorMsg && info.errorMsg[className]) {
                  return {
                      className: className,
                      errorCode: errorCode,
                      methodName: methodName,
                      msg: info.errorMsg[className][errorCode]
                  };
              } else {
                  return { className: className, errorCode: errorCode, methodName: methodName };
              }
          }