wagon-provider-api/src/main/resources/META-INF/plexus/components.xml

<component-set>
    <components>
        <component>
            <role>org.apache.maven.wagon.manager.WagonManager</role>
            <implementation>org.apache.maven.wagon.manager.DefaultWagonManager</implementation>
        </component>        
    </components>
</component-set>