import type { Context } from './engine.js';
export declare function git(repo: string, args: string[]): string;
/** Does `path` exist (as a blob) at `commit` in `repo`? `git cat-file -e <commit>:<path>` exits 0
 *  when the object exists — so a cited evidence file can be verified to actually be in the tree at
 *  the commit it claims, from any worktree that has the commit (the tree is checkout-independent). */
export declare function gitFileExistsAtCommit(repo: string, commit: string, path: string): boolean;
/** The repo-relative paths a commit changed (its diff vs. its first parent; root commit = all
 *  files added). Lets a preset check that a cited commit actually TOUCHES the area an AC claims —
 *  a deterministic partial close of the relevance gap (an unrelated commit touches none of them). */
export declare function gitCommitFiles(repo: string, commit: string): string[];
export declare function gitWorld(repo: string, prBranches: string[], opts?: {
    verifyCommits?: boolean;
}): Context;