declare function sha1<T>(
  dest: string | Array<T> | ArrayBuffer | Uint8Array
): string;

declare namespace sha1 {
  export function hex(arg: string): string;
  export function update<T>(
    arg: string | Array<T> | Uint8Array | ArrayBuffer
  ): string;
  export function array(): Uint8Array;
  export function digest(): Uint8Array;
  export function arrayBuffer(args: any): ArrayBuffer;
}

export = sha1;