import { Hash, Input } from './utils.js';
declare class u64 {
    hi: number;
    lo: number;
    constructor(h: number, l: number);
    plus(oWord: u64): u64;
    setShiftLeft(bits: number): u64;
    setxor64(...args: u64[]): u64;
    addOne(): void;
    clone(): u64;
    xor(oWord: u64): u64;
}
export declare class GroestlContext {
    state: Array<u64>;
    ptr: number;
    count: u64;
    buffer: Array<u64>;
    constructor();
}
export declare abstract class GROESTL<T extends GROESTL<T>> extends Hash<T> {
    outputLen: number;
    readonly padOffset: number;
    readonly isLE: boolean;
    protected buffer: Uint8Array;
    protected finished: boolean;
    protected length: number;
    protected pos: number;
    protected destroyed: boolean;
    blockLen: number;
    protected ctx: GroestlContext;
    protected constructor(outputLen: number, padOffset: number, isLE: boolean);
    update(data: Input): this;
    digestInto(out: Uint8Array): void;
    digest(): Uint8Array;
    _cloneInto(to?: T): T;
    destroy(): void;
    private static compress;
    private final;
    process(data: any, len: number): void;
    finish(): Array<number>;
}
export {};