public static void hide(final Runnable run){
  try {
    hideDepth++;
    run.run();
  }
  finally {
    hideDepth--;
  }
}

public static void hide ( final Runnable run ) { try { hideDepth ++ ; run . run ( ) ; } finally { hideDepth -- ; } }
execute code , hiding the rpcs they execute from being shown visually .
