import { type Repo } from './repo.ts';
import type { TreeEntry } from './tree.ts';
/** One changed path as the diffstat table renders it. */
export interface FileStat {
    readonly path: string;
    /** Lines added, 0 for a binary file. */
    readonly insertions: number;
    /** Lines removed, 0 for a binary file. */
    readonly deletions: number;
    /** Whether either side sniffs as binary. */
    readonly binary: boolean;
    /** Byte length of the old blob, 0 when created. */
    readonly oldSize: number;
    /** Byte length of the new blob, 0 when deleted. */
    readonly newSize: number;
}
/**
 * Per-path change counts between two trees, in path order.
 *
 * A binary file (NUL in the first 8000 bytes of either side, git's own sniff)
 * counts zero lines; a mode-only change counts zero too but still occupies a
 * row, which is how git prints `path | 0`.
 */
export declare function diffstat(repo: Repo, before: ReadonlyMap<string, TreeEntry>, after: ReadonlyMap<string, TreeEntry>): Promise<FileStat[]>;
/**
 * git's diffstat table: one row per path, then the summary line.
 *
 * The geometry is diff.c's show_stats pinned against git 2.50 at the piped
 * default of 80 columns: the graph is capped at three eighths of the line,
 * the name column takes what remains, and per-file graphs scale linearly with
 * a floor of one mark per nonzero side.
 */
export declare function statTable(stats: readonly FileStat[], width?: number): string[];
/**
 * What `git commit` prints once the commit exists.
 *
 * The counts come from `diffstat`, so a binary file adds to the file total
 * but zero lines, exactly as git reports it.
 *
 * @param repo the opened repository
 * @param oid the commit just written
 * @param message its message
 * @param branch the branch it landed on, null when detached
 * @param before the parent tree
 * @param after the new tree
 * @param width how many hex digits to abbreviate the id to
 * @param root whether this is the repository's first commit
 */
export declare function report(repo: Repo, oid: string, message: string, branch: string | null, before: ReadonlyMap<string, TreeEntry>, after: ReadonlyMap<string, TreeEntry>, width: number, root: boolean): Promise<string>;
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