/**
 * Pure-JS hashing utilities — no external dependencies, works in browser and Node/SSR.
 */
/** Returns the MD5 hash of the given bytes as a lowercase hex string. */
export declare function md5Hex(input: Uint8Array): string;
/** Returns the MD5 hash of the given bytes as a raw byte array. */
export declare function md5AsBytes(input: Uint8Array): number[];
/** Returns the SHA-256 hash of the given buffer as a base64 string. */
export declare function sha256Base64(buffer: ArrayBuffer): Promise<string>;