@Nullable
  @Override
  public @NlsContexts.TabTitle String getEditorTabName(@NotNull Project project, @NotNull List<? extends FileEditor> editors) {
    DiffEditorViewerFileEditor editor = ContainerUtil.findInstance(editors, DiffEditorViewerFileEditor.class);
    DiffRequestProcessor processor = editor != null ? ObjectUtils.tryCast(editor.getEditorViewer(), DiffRequestProcessor.class) : null;
    return myProvider.getEditorTabName(processor);
  }
@Nullable
  @Override
  public @NlsContexts.TabTitle String getEditorTabName(@NotNull Project project, @NotNull List<? extends FileEditor> editors)