Method register

src/back/SocketServer.ts:201–203

(type: TYPE, callback: Callback<MsgEvent, BackInTemplate[TYPE]>)

  }

  public register<TYPE extends BackIn>(type: TYPE, callback: Callback<MsgEvent, BackInTemplate[TYPE]>): void {
    api_register(this.api, type, callback);
  }

  public unregister(type: BackIn): void {
    api_unregister(this.api, type);