BuildBase target, BuildBase source, boolean sourceDominant, Map<Object, Object> context) {
        String src = source.getDirectory();
        if (src != null) {
            if (sourceDominant || target.getDirectory() == null) {
                target.setDirectory(src);
                target.setLocation("directory", source.getLocation("directory"));
            }
        }
    }

          <version>4.0.0+</version>
          <code>
            <![CDATA[
    /**
     * @see java.lang.Object#toString()
     */
    public String toString() {
        return "FileSet {directory: " + getDirectory() + ", " + super.toString() + "}";
    }
            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>Source</name>