B4J Question Firebase Server

'Non-UI application (console / server application)
#Region  Project Attributes
    #CommandLineArgs:
    #MergeLibraries: True
#End Region

#AdditionalJar: jtds-1.3.1.jar
#AdditionalJar: firebase-server-sdk.jar


Sub Process_Globals
    Public srvr As Server
    Public rdcConnector1 As RDCConnector
    Public const VERSION As Float = 2.1
    Type DBCommand (Name As String, Parameters() As Object)
    Type DBResult (Tag As Object, Columns As Map, Rows As List)
   
    Private fs As FirebaseServer
End Sub

Sub AppStart (Args() As String)
   
  
   
    srvr.Initialize("")
    rdcConnector1.Initialize
    srvr.Port = rdcConnector1.serverPort
    srvr.AddHandler("/test", "TestHandler", False)
    srvr.AddHandler("/rdc", "RDCHandler", False)
    srvr.Start
    Log($"jRDC is running (version = $1.2{VERSION})"$)
   
   
    fs.Initialize("fs", File.OpenInput(File.DirAssets, "RepairShop-XXXXXXXXXXX.json"))
    fs.VerifyToken("XXXXXXXXXXXXXXX")
   
    StartMessageLoop
   
   
End Sub

Sub fs_TokenVerified (TokenId As String, Success As Boolean, Token As FirebaseToken)
   If Success Then
     Log(Token.DisplayName)
     Log(Token.Email)
     Log(Token.Uid)
    Else
        Log("Sorry no good!")
   End If
End Sub