/**
 * Checksum cache module
 * Local disk cache for checksum reuse across runs
 */
import { ChecksumCacheEntry, ChecksumData } from '../types.js';
export interface ChecksumCacheOptions {
    enabled: boolean;
    maxMb: number;
    cachePath?: string;
}
/**
 * Get cached checksum for a file if valid
 * Validation: absolute path + file size + modification time
 */
export declare function getCachedChecksum(filePath: string, size: number, mtime: number, options: ChecksumCacheOptions): Promise<ChecksumData | null>;
/**
 * Store checksum in cache
 */
export declare function setCachedChecksum(entry: ChecksumCacheEntry, options: ChecksumCacheOptions): Promise<void>;
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