import { readFile } from 'node:fs/promises';
import type { IndexMetadata } from '../types/indexMetadata.js';
import { type GitFingerprint } from '../shared/gitFingerprint.js';
export interface IndexRebuildCallback {
    (projectPath: string): Promise<IndexMetadata>;
}
interface FingerprintServiceOptions {
    dbRoot?: string;
    autoRebuild?: boolean;
    rebuildCallback?: IndexRebuildCallback;
}
interface FingerprintDependencies {
    readFile: typeof readFile;
    computeFingerprint: (projectPath: string) => Promise<GitFingerprint>;
}
export declare class FingerprintService {
    private readonly dbRoot;
    private readonly deps;
    private readonly autoRebuild;
    private readonly rebuildCallback?;
    constructor(options?: FingerprintServiceOptions, deps?: Partial<FingerprintDependencies>);
    validate(projectPath: string): Promise<IndexMetadata>;
}
export {};