return sourceLevel;
    }
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>
      <name>IdentifiableBase</name>
      <superClass>TrackableBase</superClass>
      <version>1.0.0+</version>
      <description>
        Base class for {@code Mirror}, {@code Profile}, {@code Proxy} and {@code Server}.
      </description>
      <fields>
        <field>