TGDBusProxy.call_with_unix_fd_list_sync

function TGDBusProxy.call_with_unix_fd_list_sync(

  method_name: Pgchar;

  parameters: PGVariant;

  flags: TGDBusCallFlags;

  timeout_msec: gint;

  fd_list: PGUnixFDList;

  out_fd_list: PPGUnixFDList;

  cancellable: PGCancellable;

  error: PPGError

):PGVariant;