<component-set>
  <components>
    <component>
      <role>org.test.ComponentOne</role>
      <role-hint>default</role-hint>
      <implementation>org.test.ComponentOne</implementation>
      <requirements>
        <requirement>
          <role>org.test.ComponentTwo</role>
        </requirement>
      </requirements>
    </component>

    <component>
      <role>org.test.ComponentTwo</role>
      <role-hint>default</role-hint>
      <implementation>org.test.ComponentTwo</implementation>
      <requirements>
        <requirement>
          <role>org.test.ComponentOne</role>
        </requirement>
      </requirements>
    </component>
  </components>
</component-set>