public void removeRenamingCallback(OneSheeldRenamingCallback renamingCallback){
  if (renamingCallback != null && renamingCallbacks.contains(renamingCallback))   renamingCallbacks.remove(renamingCallback);
}

public void removeRenamingCallback ( OneSheeldRenamingCallback renamingCallback ) { if ( renamingCallback != null && renamingCallbacks . contains ( renamingCallback ) ) renamingCallbacks . remove ( renamingCallback ) ; }
remove a renaming callback .
