export declare const compressDemuxOutput: <A1, A2>(
  data: readonly [ranStdout: A1, ranStderr: A2]
) => CompressedDemuxOutput<A1, A2>

export type CompressedDemuxOutput<A1, A2> = A1 extends undefined | void
  ? A2 extends undefined | void
    ? void
    : readonly [stdout: undefined, stderr: A2]
  : A2 extends undefined | void
    ? readonly [stdout: A1, stderr: undefined]
    : readonly [stdout: A1, stderr: A2]

export type CompressedStdinStdoutStderrOutput<
  SocketOptions extends Demux.StdinStdoutStderrSocketOptions,
  A1,
  A2
> = SocketOptions["stdout"] extends RawStreamSocket
  ? SocketOptions["stderr"] extends RawStreamSocket
    ? CompressedDemuxOutput<A1, A2>
    : CompressedDemuxOutput<A1, void>
  : SocketOptions["stderr"] extends RawStreamSocket
    ? CompressedDemuxOutput<void, A2>
    : CompressedDemuxOutput<void, void>