import { GitReference, IFileChange, IGitContentResult, IGitStatusFile, IGitStatusResult } from './tokens';
/**
 * Fetch `git status --porcelain` for the repository the server resolves at
 * `repoPath`. When `repoPath` is the empty string, git resolves the repo
 * from the JupyterLab server's root directory.
 */
export declare function status(repoPath: string): Promise<IGitStatusResult>;
/**
 * Fetch a file's contents at a particular git reference. `filename` is the
 * file's path relative to the git repository root (matching the `to` field
 * of {@link status}'s response).
 */
export declare function content(repoPath: string, filename: string, reference: GitReference): Promise<IGitContentResult>;
/**
 * Expand the porcelain `files` array into one entry per logical change.
 * A single porcelain row may map to two `IFileChange` rows (a file that's
 * both staged and modified again in the worktree); callers that just want
 * a flat list of all changes — without any staged-vs-unstaged grouping —
 * can use this helper.
 *
 * Provided as a manual concat rather than `Array.prototype.flatMap` so we
 * don't pin our `tsconfig.lib` to ES2019.
 */
export declare function expandStatusFiles(files: IGitStatusFile[]): IFileChange[];