protected void mergePatternSet(
            PatternSet target, PatternSet source, boolean sourceDominant, Map<Object, Object> context) {
        mergePatternSet_Includes(target, source, sourceDominant, context);
        mergePatternSet_Excludes(target, source, sourceDominant, context);
    }

    protected void mergePatternSet_Includes(
            PatternSet target, PatternSet source, boolean sourceDominant, Map<Object, Object> context) {

          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>FileSet</name>
      <version>3.0.0+</version>
      <superClass>PatternSet</superClass>
      <description>A PatternSet for files.</description>
      <fields>
        <field>
          <name>directory</name>
          <version>3.0.0+</version>

  @Override
  public boolean containsValue(@Nullable Object value) {
    // does not impact recency ordering
    if (value == null) {
      return false;
    }

    // This implementation is patterned after ConcurrentHashMap, but without the locking. The only
    // way for it to return a false negative would be for the target value to jump around in the map