*/
  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this?
  V getUnchecked(K key);

  /**
   * Returns a map of the values associated with {@code keys}, creating or retrieving those values
   * if necessary. The returned map contains entries that were already cached, combined with newly
   * loaded entries; it will never contain null keys or values.
   *

    /**
     * Associates {@code key} with {@code value} in the built map. Duplicate keys are not allowed,
     * and will cause {@link #build} to fail.
     */
    @CanIgnoreReturnValue
    public <T extends B> Builder<B> put(Class<T> key, T value) {
      mapBuilder.put(key, value);
      return this;
    }

    /**
     * Associates all of {@code map's} keys and values in the built map. Duplicate keys are not

   *
   * @return a new {@code HashSet} containing a collection of values for one key
   */
  @Override
  Set<V> createCollection() {
    return Platform.newHashSetWithExpectedSize(expectedValuesPerKey);
  }

  /**
   * @serialData expectedValuesPerKey, number of distinct keys, and then for each distinct key: the
   *     key, number of values for that key, and the key's values

  SortedMap<K, V> create(Object... elements);

  /**
   * Returns an entry with a key less than the keys of the {@link #samples()} and less than the key
   * of {@link #belowSamplesGreater()}.
   */
  Entry<K, V> belowSamplesLesser();

  /**
   * Returns an entry with a key less than the keys of the {@link #samples()} but greater than the
   * key of {@link #belowSamplesLesser()}.
   */
  Entry<K, V> belowSamplesGreater();

  /**

    Builder(int size) {
      super(size);
    }

    /**
     * Associates {@code key} with {@code value} in the built bimap. Duplicate keys or values are
     * not allowed, and will cause {@link #build} to fail.
     */
    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> put(K key, V value) {
      super.put(key, value);
      return this;
    }

    /**

   * key-value pairs are added to the multimap.
   *
   * @param key key to associate with values in the collection
   * @return a new decorated set containing a collection of values for one key
   */
  @Override
  Collection<V> createCollection(@ParametricNullness K key) {
    return new ValueSet(key, valueSetCapacity);
  }

  /**
   * {@inheritDoc}
   *

   * key-value pairs are added to the multimap.
   *
   * @param key key to associate with values in the collection
   * @return a new decorated set containing a collection of values for one key
   */
  @Override
  Collection<V> createCollection(@ParametricNullness K key) {
    return new ValueSet(key, valueSetCapacity);
  }

  /**
   * {@inheritDoc}
   *

        valuesBuilder.add(value);
      }
      return this;
    }

    /**
     * Stores an array of values with the same key in the built multimap.
     *
     * @throws NullPointerException if the key or any value is null. The builder is left in an
     *     invalid state.
     */
    @CanIgnoreReturnValue
    public Builder<K, V> putAll(K key, V... values) {

  Multiset<K> createKeys() {
    return new Keys();
  }

  @WeakOuter
  final class Keys extends Multimaps.Keys<K, V> {
    Keys() {
      super(FilteredEntryMultimap.this);
    }

    @Override
    public int remove(@Nullable Object key, int occurrences) {
      checkNonnegative(occurrences, "occurrences");
      if (occurrences == 0) {
        return count(key);
      }

    }

    /**
     * Masks sensitive values for logging purposes.
     * Keys matching the pattern defined in 'app.log.sensitive.property.pattern' system property
     * will have their values replaced with "********".
     *
     * @param key The key name to check
     * @param value The value to potentially mask
     * @return The masked value if the key matches a sensitive pattern, otherwise the original value
     */