import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;

public class LoadCompositeModel<T> implements BuildAction<Collection<T>>, Serializable {

    private final Class<T> modelClass;

    public LoadCompositeModel(Class<T> modelClass) {
        this.modelClass = modelClass;
    }

    @Override
    public Collection<T> execute(BuildController controller) {

                }
            }
        """

        when:
        toolingApi.withConnection { ProjectConnection connection ->
            def buildAction = connection.action(new LoadCompositeModel(GradleProject))
            collectOutputs(buildAction)
            buildAction.forTasks([':other-build:sub:doSomething'])
            buildAction.run()
        }

        then:

        }
    }

    private void executeTaskViaGradleProjectLaunchable(String taskName) {
        withConnection { connection ->
            def gradleProjects = connection.action(new LoadCompositeModel(GradleProject)).run()
            def launchables = findLaunchables(gradleProjects, taskName)
            assert launchables.size == 1
            def build = connection.newBuild()
            collectOutputs(build)