openide/plugins/devkit/devkit-java-tests/testData/inspections/lightServiceMigration/serviceInterface.xml

<idea-plugin>
  <id>com.example.demo</id>

  <extensionPoints>
    <extensionPoint qualifiedName="com.intellij.applicationService" beanClass="com.intellij.openapi.components.ServiceDescriptor"/>
  </extensionPoints>
  <extensions defaultExtensionNs="com.intellij">
    <applicationService serviceInterface="com.example.demo.MyService"
                        serviceImplementation="com.example.demo.MyServiceImpl"/>
  </extensions>
</idea-plugin>