/**
 * Check whether seed command can be skipped or not and update hash file if needed.
 * Note that process.env.ALLOW_TO_SKIP_SEED should be set to non-zero number or 'true' to skip seed.
 * @param hashFilePath Path to the hash file.
 * @param paths Paths to the files or directories.
 * @returns Whether seed command can be skipped.
 */
export declare function canSkipSeed(hashFilePath: string, ...paths: string[]): Promise<boolean>;
/**
 * Update hash file if the hash is different from the current one.
 * @param hashFilePath Path to the hash file.
 * @param paths Paths to the files or directories.
 * @returns Whether the hash file was updated.
 */
export declare function updateHashFromFiles(hashFilePath: string, ...paths: string[]): Promise<boolean>;
/**
 * Calculate hash from files.
 * @param paths Paths to the files or directories.
 * @returns Hash string.
 */
export declare function calculateHashFromFiles(...paths: string[]): Promise<string>;