export declare function getFileHash(filename: string): string;
export declare function compressAndHashFile(dbFileName: string, networkId: string, dbVersion: number, syncfileTemplate: string, directoryDir?: string): Promise<void>;
export declare function restoreWarpSyncFile(dbFileNamePath: string, syncFilenameAbsPath: string): Promise<void>;
export declare function createWarpSyncFile(dbFileNamePath: string, syncFileNamePath: string): Promise<void>;
export declare function removeOldSyncFiles(networkId: string, dbVersion: number, directoryDir?: string): void;
export declare function fileCompatible(filename: string, networkId: string, dbVersion: number): boolean;
export declare function getHighestDbVersion(directoryDir: string, dbFileName: string): number;