@Override
  public @NotNull GitCommandResult lsRemote(final @NotNull Project project,
                                            final @NotNull File workingDir,
                                            final @NotNull String url) {
    return doLsRemote(project, workingDir, url, singleton(url), emptyList());
  }
@Override
  public @NotNull GitCommandResult lsRemote(final @NotNull Project project,
                                            final @NotNull File workingDir,
                                            final @NotNull String url)