declare module 'blakejs' {
  interface Context {
    b: Uint8Array
    h: Uint32Array
    t: number
    c: number
    outlen: number
  }

  export type Data = Buffer | Uint8Array | string

  type Key = Uint8Array | null

  export const blake2b: (data: Data, key?: Key, outlen?: number) => Uint8Array

  export const blake2bFinal: (context: Context) => Uint8Array

  export const blake2bHex: (data: Data, key?: Key, outlen?: number) => string

  export const blake2bInit: (outlen?: number, key?: Key) => Context

  export const blake2bUpdate: (context: Context, data: Data) => void

  export const blake2s: (data: Data, key?: Key, outlen?: number) => Uint8Array

  export const blake2sFinal: (context: Context) => Uint8Array

  export const blake2sHex: (data: Data, key?: Key, outlen?: number) => string

  export const blake2sInit: (outlen?: number, key?: Key) => Context

  export const blake2sUpdate: (context: Context, data: Data) => void
}