this.buildOperationRunner = buildOperationRunner;
        this.specFactory = specFactory;
        IsolationScheme<WorkAction<?>, WorkParameters> isolationScheme = new IsolationScheme<>(Cast.uncheckedNonnullCast(WorkAction.class), WorkParameters.class, WorkParameters.None.class);
        workerServer = new DefaultWorkerServer(internalServices, instantiatorFactory, isolationScheme, Collections.singleton(WorkerExecutor.class));
    }

import org.gradle.api.provider.ProviderFactory
import org.gradle.api.DefaultTask
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.TaskAction
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import org.gradle.workers.WorkerExecutor
import org.gradle.tooling.provider.model.ToolingModelBuilder
import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry

plugins {
    id("application")
}

        file('buildSrc/src/main/java/org/gradle/test/ProblemsWorkerTaskParameter.java') << """
            package org.gradle.test;

            import org.gradle.workers.WorkParameters;

            public interface ProblemsWorkerTaskParameter extends WorkParameters { }
        """
        file('buildSrc/src/main/java/org/gradle/test/ProblemWorkerTask.java') << """
            package org.gradle.test;

            import java.io.File;

import org.gradle.test.fixtures.concurrent.ConcurrentSpec
import org.gradle.util.UsesNativeServices
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import org.gradle.workers.WorkQueue
import org.gradle.workers.WorkerExecutionException
import spock.lang.TempDir

import static org.gradle.internal.work.AsyncWorkTracker.ProjectLockRetention.RETAIN_PROJECT_LOCKS

import org.gradle.api.tasks.Input
import org.gradle.api.tasks.TaskAction
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import org.gradle.workers.WorkerExecutor
import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry
import org.gradle.tooling.provider.model.ToolingModelBuilder

plugins {
    id 'groovy'
}

repositories {
    mavenCentral()
}

// tag::object-factory[]

                    executor.noIsolation().submit(SomeWorkAction) {
                        value = flag
                    }
                }
            }

            interface SomeParams extends WorkParameters {
                ${type} getValue()
            }

            abstract class SomeWorkAction implements WorkAction<SomeParams> {
                void execute() {

import org.gradle.test.fixtures.file.TestNameTestDirectoryProvider
import org.gradle.util.UsesNativeServices
import org.gradle.util.internal.RedirectStdOutAndErr
import org.gradle.workers.WorkAction
import org.gradle.workers.WorkParameters
import org.gradle.workers.WorkerSpec
import org.junit.Rule
import spock.lang.Specification

@UsesNativeServices
class DefaultWorkerExecutorTest extends Specification {
    @Rule

 * </ul>
 *
 * <p>Work should be submitted with a {@link WorkAction} class representing the implementation of the unit of work
 * and an action to configure the parameters of the unit of work (via {@link WorkParameters}).
 *
 * <pre>
 *      workerExecutor.noIsolation().submit(MyWorkActionImpl.class) { MyWorkParameters parameters -&gt;
 *          parameters.inputFile = project.file('foo')

                public void run() {
                    // DO NOTHING
                }
            }
        """
        def workAction = """
            abstract public class TestWork implements WorkAction<WorkParameters.None> {
                public void execute() {
                    // DO NOTHING
                }
            }
        """

        workActionClass << """
            package org.gradle.test;