Function jj_cli::merge_tools::edit_diff

pub fn edit_diff(
    ui: &Ui,
    left_tree: &MergedTree,
    right_tree: &MergedTree,
    matcher: &dyn Matcher,
    instructions: &str,
    base_ignores: Arc<GitIgnoreFile>,
    settings: &UserSettings
) -> Result<MergedTreeId, DiffEditError>