if (array.length == 0) {
      return "";
    }

    // For pre-sizing a builder, just get the right order of magnitude
    StringBuilder builder = new StringBuilder(array.length * 7);
    builder.append(array[0]);
    for (int i = 1; i < array.length; i++) {
      builder.append(separator).append(array[i]);
    }
    return builder.toString();
  }

  /**

  }

  private fun response(
    url: String,
    bodyHex: ByteString,
    fn: Response.Builder.() -> Unit = {},
  ): Response {
    return Response.Builder()
      .body(bodyHex.toResponseBody("text/plain".toMediaType()))
      .code(200)
      .message("OK")
      .request(Request.Builder().url(url).build())
      .protocol(Protocol.HTTP_2)
      .apply(fn)
      .build()
  }

            this.indexOption = builder;
            return this;
        }

        public RequestOptionCall<IndexRequestBuilder> indexOption() {
            return indexOption;
        }

        public DocMeta deleteOption(RequestOptionCall<DeleteRequestBuilder> builder) {
            this.deleteOption = builder;
            return this;
        }

    fun readHttp2HeadersList(
      headerBlock: Headers,
      protocol: Protocol,
    ): Response.Builder {
      var statusLine: StatusLine? = null
      val headersBuilder = Headers.Builder()
      for (i in 0 until headerBlock.size) {
        val name = headerBlock.name(i)
        val value = headerBlock.value(i)
        if (name == RESPONSE_STATUS_UTF8) {

    }
  }

  private static final class MockEquivalence extends Equivalence<Object> {
    final ImmutableTable.Builder<Object, Object, Boolean> equivalentExpectationsBuilder =
        ImmutableTable.builder();
    final ImmutableMap.Builder<Object, Integer> hashExpectationsBuilder = ImmutableMap.builder();
    ImmutableTable<Object, Object, Boolean> equivalentExpectations;
    ImmutableMap<Object, Integer> hashExpectations;

    }
  }

  private static final class MockEquivalence extends Equivalence<Object> {
    final ImmutableTable.Builder<Object, Object, Boolean> equivalentExpectationsBuilder =
        ImmutableTable.builder();
    final ImmutableMap.Builder<Object, Integer> hashExpectationsBuilder = ImmutableMap.builder();
    ImmutableTable<Object, Object, Boolean> equivalentExpectations;
    ImmutableMap<Object, Integer> hashExpectations;

      testClient = client
    }
    return client
  }

  private fun initialClientBuilder(): OkHttpClient.Builder =
    if (isLoom()) {
      val backend = TaskRunner.RealBackend(loomThreadFactory())
      val taskRunner = TaskRunner(backend)

      OkHttpClient.Builder()
        .connectionPool(
          buildConnectionPool(
            connectionListener = connectionListener,

  fun requiresRequestBody() {
    assertTrue(requiresRequestBody("PUT"))
    assertFalse(requiresRequestBody("GET"))
  }

  @Test
  fun hasBody() {
    val request = Request.Builder().url("http://example.com").build()
    val response =
      Response.Builder().code(200)
        .message("OK")
        .request(request)
        .protocol(Protocol.HTTP_2)
        .build()
    assertTrue(hasBody(response))
  }

    @Nonnull
    static ArtifactResolverRequestBuilder builder() {
        return new ArtifactResolverRequestBuilder();
    }

    @Nonnull
    static ArtifactResolverRequest build(
            @Nonnull Session session, @Nonnull Collection<? extends ArtifactCoordinates> coordinates) {
        return builder()
                .session(nonNull(session, "session cannot be null"))

        }
        try {
            final FessConfig fessConfig = ComponentUtil.getFessConfig();
            final SetObjectTagsArgs args =
                    SetObjectTagsArgs.builder().bucket(fessConfig.getStorageBucket()).object(objectName).tags(tags).build();
            createClient(fessConfig).setObjectTags(args);
        } catch (final Exception e) {