@Override
  protected @Nullable VcsFileRevision getFileRevision(@NotNull AnActionEvent e) {
    assert myProvider != null;

    int lineNumber = getAnnotatedLine(e);
    if (lineNumber < 0 || lineNumber >= myAnnotation.getLineCount()) return null;
    return myProvider.getRevision(lineNumber);
  }
@Override
  protected @Nullable VcsFileRevision getFileRevision(@NotNull AnActionEvent e)