import org.gradle.internal.SystemProperties
import org.gradle.internal.jvm.Jvm
import org.gradle.jvm.toolchain.internal.InstallationLocation
import org.gradle.process.internal.DefaultExecHandleBuilder
import org.gradle.test.precondition.Requires
import org.gradle.test.preconditions.IntegTestPreconditions

import java.util.concurrent.Executors

    }

    protected Factory<? extends AbstractExecHandleBuilder> getExecHandleFactory() {
        return new Factory<DefaultExecHandleBuilder>() {
            @Override
            public DefaultExecHandleBuilder create() {
                TestFile gradleHomeDir = getDistribution().getGradleHomeDir();
                if (gradleHomeDir != null && !gradleHomeDir.isDirectory()) {

    static class Prints implements Callable, Serializable {

        String message

        Object call() {
            return message
        }
    }

    private DefaultExecHandleBuilder handle() {
        new DefaultExecHandleBuilder(TestFiles.pathToFileResolver(), executor, buildCancellationToken)
            .executable(Jvm.current().getJavaExecutable().getAbsolutePath())
            .setTimeout(20000) //sanity timeout

    }

    @Override
    public ExecHandleBuilder newExec() {
        return new DefaultExecHandleBuilder(fileResolver, executor, buildCancellationToken);
    }

    @Override
    public JavaExecHandleBuilder newJavaExec() {

Class <org.gradle.process.internal.DefaultExecHandleBuilder> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (DefaultExecHandleBuilder.java:0)