import type { DiffEntry } from './types';
/**
 * Parse git diff --name-status output into structured DiffEntry objects.
 *
 * Input format (tab-separated):
 *   M\tsrc/foo.ts
 *   R100\told/path.ts\tnew/path.ts
 *   D\tremoved.ts
 *   A\tnew-file.ts
 */
export declare function parseDiffOutput(output: string): DiffEntry[];
/**
 * Get changed files between a ref and HEAD.
 * Uses `git diff --name-status` to include rename detection.
 */
export declare function getChangedFiles(repoPath: string, options: {
    ref?: string;
    mergeBase?: string;
}): DiffEntry[];
/**
 * Get the merge-base commit between two refs.
 * Returns the SHA of the common ancestor.
 */
export declare function getMergeBase(repoPath: string, ref1: string, ref2?: string): string;
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