modello-plugin-redback-registry/src/main/resources/META-INF/plexus/components.xml

<?xml version="1.0"?>

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<component-set>
  <components>
    <component>
      <role>org.codehaus.modello.plugin.ModelloGenerator</role>
      <role-hint>registry-reader</role-hint>
      <implementation>org.apache.archiva.redback.components.registry.modello.RegistryReaderGenerator</implementation>
      <requirements>
        <requirement>
          <role>org.codehaus.plexus.velocity.VelocityComponent</role>
        </requirement>
      </requirements>
    </component>
    <component>
      <role>org.codehaus.modello.plugin.ModelloGenerator</role>
      <role-hint>registry-writer</role-hint>
      <implementation>org.apache.archiva.redback.components.registry.modello.RegistryWriterGenerator</implementation>
      <requirements>
        <requirement>
          <role>org.codehaus.plexus.velocity.VelocityComponent</role>
        </requirement>
      </requirements>
    </component>
  </components>
</component-set>