@Override
  public void contentRemoveQuery(@NotNull ContentManagerEvent event) {
    if (event.getContent() == myContent) {
      boolean canClose = closeQuery(myContent, Boolean.TRUE.equals(myProject.getUserData(PROJECT_DISPOSING)));
      if (!canClose) {
        // Consume the event to reject the close request:
        //   com.intellij.ui.content.impl.ContentManagerImpl.fireContentRemoveQuery
        event.consume();
      }
    }
  }
@Override
  public void contentRemoveQuery(@NotNull ContentManagerEvent event)