@Override
  public void showDiffForOne(@NotNull AnActionEvent e,
                             @NotNull Project project, @NotNull FilePath filePath,
                             @NotNull VcsFileRevision previousRevision,
                             @NotNull VcsFileRevision revision) {
    doShowDiff(filePath, previousRevision, revision);
  }
@Override
  public void showDiffForOne(@NotNull AnActionEvent e,
                             @NotNull Project project, @NotNull FilePath filePath,
                             @NotNull VcsFileRevision previousRevision,
                             @NotNull VcsFileRevision revision)