return getDeveloperKey(developer);
        }
    }

    /**
     * KeyComputer for Contributor
     */
    private class ContributorKeyComputer implements KeyComputer<Contributor> {
        @Override
        public Object key(Contributor contributor) {
            return getContributorKey(contributor);
        }
    }

    /**
     * KeyComputer for Profile
     */

            <multiplicity>*</multiplicity>
          </association>
        </field>
      </fields>
    </class>
    <class>
      <name>Contributor</name>
      <description>Description of a person who has contributed to the project, but who does not have
        commit privileges. Usually, these contributions come in the form of patches submitted.</description>
      <version>3.0.0+</version>