interface Algorithm {
    name: string;
    alias: string;
}
type Data = string | ArrayBufferView | ArrayBuffer | ReadableStream;
declare const sha256: (data: Data) => Promise<string | null>;
declare const sha1: (data: Data) => Promise<string | null>;
declare const md5: (data: Data) => Promise<string | null>;
declare const createHash: (data: Data, algorithm: Algorithm) => Promise<string | null>;

export { createHash, md5, sha1, sha256 };