export declare const isGitRepo: (root: string) => boolean;
/**
 * Stops git tracking files it once committed, keeping the working copies. A
 * gitignore written after the fact does not untrack anything, so an old
 * events.jsonl rides in every diff and every commit otherwise. Only files
 * under .oh-my-plumb are eligible, so a wrong path here cannot untrack a
 * source file. Returns the paths it untracked; absent git, an empty list.
 */
export declare const untrackIgnored: (root: string, relativePaths: readonly string[]) => string[];
export type FileDiff = {
    file: string;
    text: string;
};
/** Splits a unified diff into per-file hunk text, dropping generated, binary and excluded files. */
export declare const splitDiff: (patch: string) => FileDiff[];
export type HistoryHunk = {
    commit: string;
    subject: string;
    file: string;
    text: string;
};
export type HistoryCommit = {
    commit: string;
    subject: string;
    files: string[];
    fileDiffs: FileDiff[];
};
/** Recent real changes from this repository's history, for calibration. */
export declare const recentHistory: (root: string, wantHunks: number, wantCommits: number) => {
    hunks: HistoryHunk[];
    commits: HistoryCommit[];
};
/** Uncommitted changes, including staged, as one patch. */
export declare const workingTreeDiff: (root: string, paths: readonly string[]) => string;
/**
 * A tree object for the working tree as it stands now, untracked files
 * included and ignored files excluded, without touching the real index. The
 * real index is copied first so `add -A` only has to look at what changed.
 */
export declare const snapshotTree: (root: string, scratchIndex: string, timeoutMs: number) => string | undefined;
/** Blob id per file in a tree; absent files are left out, undefined if git did not answer in time. */
export declare const blobIdsAt: (root: string, tree: string, files: readonly string[], timeoutMs: number) => Map<string, string> | undefined;
/** Everything that changed between two snapshots, as one patch. */
export declare const diffTrees: (root: string, base: string, now: string, timeoutMs: number) => string | undefined;
//# sourceMappingURL=git.d.ts.map