import type { DiffInfo } from './types.js';
export declare function assertGitRepository(cwd: string): void;
export declare function getDiffInfo(cwd: string, base?: string): DiffInfo;
export declare function readFileAtRef(cwd: string, ref: string, filePath: string): string | null;
export declare function readPackageJsonBeforeChange(diff: DiffInfo): string | null;
//# sourceMappingURL=git.d.ts.map