// Type definitions for keccak 1.4.0
// Project: https://github.com/cryptocoinjs/keccak
// Definitions by: Jaco Greeff <https://github.com/jacogr>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/// <reference types="node"/>

declare module 'keccak' {
interface KeccakHasher {
    digest(): Buffer;
    update(message: string | Buffer): KeccakHasher;

    _resetState(): void,
    _clone(): KeccakHasher
}

type KeccakTypes = 'keccak224' | 'keccak256' | 'keccak384' | 'keccak512' | 'sha3-224' | 'sha3-256' | 'sha3-384' | 'sha3-512' | 'shake128' | 'shake256';

const keccak: (type: KeccakTypes) => KeccakHasher;

export default keccak;
}