fun enqueueResponse(response: MockResponse) {
    delegate.enqueue(response.wrap())
  }

  override fun shutdown() {
    delegate.close()
  }

  fun setFailFast(failFast: Boolean) {
    delegate.setFailFast(failFast)
  }

  fun setFailFast(failFastResponse: MockResponse?) {
    delegate.setFailFast(failFastResponse?.wrap())
  }

  public open fun clear() {
    responseQueue.clear()
  }

  public override fun close() {
    responseQueue.add(DEAD_LETTER)
  }

  public open fun setFailFast(failFast: Boolean) {
    setFailFast(
      failFastResponse =
        when {
          failFast -> MockResponse(code = HttpURLConnection.HTTP_NOT_FOUND)
          else -> null
        },
    )
  }

  public open fun setFailFast(failFastResponse: MockResponse?) {

    public Optional<Boolean> relaxedChecksums() {
        return returnFirstPresentOrEmpty(MavenOptions::relaxedChecksums);
    }

    @Override
    public Optional<Boolean> failFast() {
        return returnFirstPresentOrEmpty(MavenOptions::failFast);
    }

    @Override
    public Optional<Boolean> failAtEnd() {
        return returnFirstPresentOrEmpty(MavenOptions::failAtEnd);
    }

    @Override

     *
     * @return an {@link Optional} containing true if Maven should stop at the first failure, false if not, or empty if not specified
     */
    @Nonnull
    Optional<Boolean> failFast();

    /**
     * Indicates whether Maven should run all builds but defer error reporting to the end.
     *

    }

    public void setFailureBehavior(String failureBehavior) {
        if (failureBehavior == null) {
            this.failureBehavior = FAIL_FAST; // default
            return;
        }
        if (FAIL_FAST.equals(failureBehavior)
                || FAIL_AT_END.equals(failureBehavior)
                || FAIL_NEVER.equals(failureBehavior)) {
            this.failureBehavior = failureBehavior;