<source>1.8</source>
                            <target>1.8</target>
                            <fork>true</fork>
                            <meminitial>${config.compilerMemory}</meminitial>
                            <maxmem>${config.compilerMemory}</maxmem>
                        </configuration>
                    </plugin>
                    <plugin>

            }
        """
    }

    def serviceImplementation() {
        buildFile """
            interface CountingParams extends BuildServiceParameters {
                Property<Integer> getInitial()
            }

            abstract class CountingService implements BuildService<CountingParams>, AutoCloseable {
                int value

                CountingService() {

[source, groovy]
----
interface CountingParams extends BuildServiceParameters {
    Property<Integer> getInitial()
}
----

A build service implementation can also optionally implement `AutoCloseable`, in which case Gradle will call the build service instance's `close()` method when it discards the service instance.