src/js/lib/RTRemoteServer.js
/**
   * unregister object from server
   *
   * @param {string} objectName the object name
   * @throws RTException throw errors if object not exist
   */
unregister object from server
@param {string} objectName the object name
@throws RTException throw errors if object not exist
unregister object from server @param { string } objectName the object name @throws RTException throw errors if object not exist
unRegisterObject(objectName) {
    const object = registeredObjectMap[objectName];
    if (object == null) {
      throw new RTException(`cannot found register object named ${objectName} in server ${this.serverName}`);
    }
    registeredObjectMap[objectName] = null; 
  }
unRegisterObject ( objectName ) { const object = registeredObjectMap [ objectName ] ; if ( object == null ) { throw new RTException ( ` ${ objectName } ${ this . serverName } ` ) ; } registeredObjectMap [ objectName ] = null ; }
unregister object from server
 @param {string} objectName the object name
 @throws RTException throw errors if object not exist
unregister object from server @param { string } objectName the object name @throws RTException throw errors if object not exist
// remove it