*
   * <p>Some algorithms that operate on a {@code PredecessorsFunction} may produce undesired results
   * if the returned {@link Iterable} contains duplicate elements. Implementations of such
   * algorithms should document their behavior in the presence of duplicates.
   *
   * <p>The elements of the returned {@code Iterable} must each be:
   *
   * <ul>
   *   <li>Non-null

   *
   * <p>Some algorithms that operate on a {@code SuccessorsFunction} may produce undesired results
   * if the returned {@link Iterable} contains duplicate elements. Implementations of such
   * algorithms should document their behavior in the presence of duplicates.
   *
   * <p>The elements of the returned {@code Iterable} must each be:
   *
   * <ul>
   *   <li>Non-null

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class ListMultimapPutTester<K, V> extends AbstractListMultimapTester<K, V> {
  // MultimapPutTester tests non-duplicate values, but ignores ordering

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAddsValueAtEnd() {
    for (K key : sampleKeys()) {
      for (V value : sampleValues()) {
        resetContainer();

      K key = checkNotNull(entry.getKey());
      V previous = delegate.put(key, checkNotNull(entry.getValue()));
      if (throwIfDuplicateKeys && previous != null) {
        throw new IllegalArgumentException("duplicate key: " + key);
      }
    }
    this.delegate = Collections.unmodifiableMap(delegate);
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override

            "The process cannot access the file because another process has locked a portion of the file.", "The disk is full.",
            "A duplicate name exists on the network.", "The network name cannot be found.", "ERRnomoreconn.", "The file exists.",
            "The parameter is incorrect.", "Too many Uids active on this session.",

            "The process cannot access the file because another process has locked a portion of the file.", "The disk is full.",
            "A duplicate name exists on the network.", "The network name cannot be found.", "ERRnomoreconn.", "The file exists.",
            "The parameter is incorrect.", "Too many Uids active on this session.",

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class SetMultimapPutTester<K, V> extends AbstractMultimapTester<K, V, SetMultimap<K, V>> {
  // Tests for non-duplicate values are in MultimapPutTester

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutDuplicateValuePreservesSize() {
    assertFalse(multimap().put(k0(), v0()));

  SUPPORTS_REMOVE,
  FAILS_FAST_ON_CONCURRENT_MODIFICATION,
  /**
   * Indicates that the constructor or factory method of a map, usually an immutable map, throws an
   * {@link IllegalArgumentException} when presented with duplicate keys instead of discarding all
   * but one.
   */
  REJECTS_DUPLICATES_AT_CREATION,

  GENERAL_PURPOSE(SUPPORTS_PUT, SUPPORTS_REMOVE);

  private final Set<Feature<? super Map>> implied;

            return None

    def _create_credentials_fetcher(self):
        method = self.METHOD

        def fetch_credentials():
            # HTTP headers are case insensitive filter out
            # all duplicate headers and pick one.
            headers = {}
            headers['content-type'] = 'application/x-www-form-urlencoded'
            headers['authorization'] = urllib3.make_headers(

        for (Field field : fields) {
            if (field.getType() == int.class) {
                int value = field.getInt(null);
                assertTrue(values.add(value), "Duplicate value found for field: " + field.getName());
            }
        }
    }

    @Test
    @DisplayName("Test constant values follow bit flag pattern")
    void testConstantsBitFlagPattern() {