public static Keymap fromKey(final String key){
  if (key == null || key.isEmpty()) {
    return null;
  }
  final Keymap searchResult=instances.get(key);
  return searchResult;
}

public static Keymap fromKey ( final String key ) { if ( key == null || key . isEmpty ( ) ) { return null ; } final Keymap searchResult = instances . get ( key ) ; return searchResult ; }
retrieve an keymap instance by its key .
