please include function showSuggestion_master.

svoid hideSuggestion() {
  hideSuggestion(showSuggestion_current);
}

svoid hideSuggestion(final JLabel label) {
  if (label == null) ret;
  disposeWindow(label);
  swing {
    if (showSuggestion_current == label) showSuggestion_current = null;
  }
}