public async Task <bool> Login(LoginReq req)
 {
     return(await CallRemoteProcedure <LoginReq, bool>((int)RpcTypes.Login, req));
 }
 public abstract Task <bool> Login(LoginReq req);
 public bool Login(LoginReq req)
 {
     return(CallRemoteProcedure <LoginReq, bool>((int)RpcTypes.Login, req));
 }