}
      if (!sink.finished) {
        // We have 0 or more frames of data, and 0 or more frames of trailers. We need to send at
        // least one frame with the END_STREAM flag set. That must be the last frame, and the
        // trailers must be sent after all of the data.
        val hasData = sendBuffer.size > 0L
        val hasTrailers = trailers != null
        when {
          hasTrailers -> {

        .build()
    assertFailsWith<IllegalStateException> {
      client.newCall(request).execute()
    }.also { expected ->
      assertThat(expected.message).isEqualTo(
        "network interceptor $interceptor must call proceed() exactly once",
      )
    }
  }

  @Test
  fun networkInterceptorsCannotCallProceedMultipleTimes() {
    server.enqueue(MockResponse())
    server.enqueue(MockResponse())

    // in this worst case, this allows a maxLength equal to the length of the truncationIndicator,
    // meaning that a string will be truncated to just the truncation indicator itself
    checkArgument(
        truncationLength >= 0,
        "maxLength (%s) must be >= length of the truncation indicator (%s)",
        maxLength,
        truncationIndicator.length());

    if (seq.length() <= maxLength) {

    // Configure cipher suites to demonstrate how to customize which cipher suites will be used for
    // an OkHttp request. In order to be selected a cipher suite must be included in both OkHttp's
    // connection spec and in the SSLSocket's enabled cipher suites array. Most applications should
    // not customize the cipher suites list.
    List<CipherSuite> customCipherSuites = asList(
        CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,

   * @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be
   *     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")
  public static <T> Collector<T, ?, Optional<T>> toOptional() {
    return (Collector) TO_OPTIONAL;

import java.util.List;
import java.util.Map.Entry;
import org.junit.Ignore;

/**
 * Testers for {@link ListMultimap#remove(Object, Object)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")

import org.junit.Ignore;

/**
 * Tests for {@code Multiset.elementSet()} not covered by the derived {@code SetTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")

 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},
 * and {@code pathScope != ""}, the dependencies will be <i>flattened</i>.
 * Else the dependencies will be <i>resolved</i> and {@code pathScope} must be non empty,
 * and the field type can be {@link org.apache.maven.api.Node Node},
 * {@code List<}{@link org.apache.maven.api.Node Node}{@code >},

  CompactHashSet(int expectedSize) {
    init(expectedSize);
  }

  /** Pseudoconstructor for serialization support. */
  void init(int expectedSize) {
    Preconditions.checkArgument(expectedSize >= 0, "Expected size must be >= 0");

    // Save expectedSize for use in allocArrays()
    this.metadata = Ints.constrainToRange(expectedSize, 1, CompactHashing.MAX_SIZE);
  }

  /** Returns whether arrays need to be allocated. */

    /**
     * nextItem holds on to item fields because once we claim that an element exists in hasNext(),
     * we must return it in the following next() call even if it was in the process of being removed
     * when hasNext() was called.
     */
    private @Nullable E nextItem;

    /**
     * Index of element returned by most recent call to next. Reset to -1 if this element is deleted
     * by a call to remove.
     */