export default class Sha512 {
    hash: import("@noble/hashes/utils").Hash<import("@noble/hashes/utils").Hash<any>>;
    static half(input: any): Uint8Array;
    add(bytes: any): this;
    addU32(i: number): this;
    finish(): Uint8Array;
    first256(): Uint8Array;
    first256BigInt(): bigint;
}