}
  }

  private static class FilteredEntryMap<K extends @Nullable Object, V extends @Nullable Object>
      extends AbstractFilteredMap<K, V> {
    /**
     * Entries in this set satisfy the predicate, but they don't validate the input to {@code
     * Entry.setValue()}.
     */
    final Set<Entry<K, V>> filteredEntrySet;

    }
  }

  private static class FilteredEntryMap<K extends @Nullable Object, V extends @Nullable Object>
      extends AbstractFilteredMap<K, V> {
    /**
     * Entries in this set satisfy the predicate, but they don't validate the input to {@code
     * Entry.setValue()}.
     */
    final Set<Entry<K, V>> filteredEntrySet;