declare module 'multihashing-async' {
  function Multihashing(buf: Buffer, alg: number|string, length?: number): Promise<Buffer>
  namespace Multihashing {
    export const Buffer: Buffer
    export const multihash: Function
    export const functions: Record<number, Function>
    export function digest(buf: Buffer, alg: (number | string), length?: number): Promise<Buffer>
    export function createHash(alg: (string | number)): Function
    export function validate(buf: Buffer, hash: Buffer): Promise<boolean>
  }
  // eslint-disable-next-line import/no-default-export
  export default Multihashing
}