ReferenceEntry<K, V> first = table.get(index);

        // Look for an existing entry.
        for (e = first; e != null; e = e.getNext()) {
          K entryKey = e.getKey();
          if (e.getHash() == hash
              && entryKey != null
              && map.keyEquivalence.equivalent(key, entryKey)) {
            // We found an existing entry.

            ValueReference<K, V> valueReference = e.getValueReference();

        ReferenceEntry<K, V> first = table.get(index);

        // Look for an existing entry.
        for (e = first; e != null; e = e.getNext()) {
          K entryKey = e.getKey();
          if (e.getHash() == hash
              && entryKey != null
              && map.keyEquivalence.equivalent(key, entryKey)) {
            // We found an existing entry.

            ValueReference<K, V> valueReference = e.getValueReference();

   * put()} and {@code putAll()} methods throw an {@link IllegalArgumentException}. Similarly, the
   * map's entries have a {@link Entry#setValue} method that throws an {@link
   * IllegalArgumentException} when the existing key and the provided value don't satisfy the
   * predicate.
   *
   * <p>When methods such as {@code removeAll()} and {@code clear()} are called on the filtered map