final DistributionFactory distributionFactory = Mock()
    final Distribution distribution = Mock()
    final File projectDir = new File('project-dir')
    final GradleConnector connector = new DefaultGradleConnector(connectionFactory, distributionFactory)

    def canCreateAConnectionGivenAProjectDirectory() {
        DefaultProjectConnection connection = Mock()

        when:

        projectDir.file("src/main/java/Main.java") << """
            import org.gradle.tooling.BuildLauncher;
            import org.gradle.tooling.GradleConnector;
            import org.gradle.tooling.internal.consumer.DefaultGradleConnector;
            import org.gradle.tooling.ProjectConnection;

            import java.io.ByteArrayOutputStream;
            import java.io.File;
            import java.lang.System;

import org.gradle.integtests.fixtures.AvailableJavaHomes
import org.gradle.test.fixtures.Flaky
import org.gradle.util.GradleVersion
import org.junit.Assume

import static org.gradle.tooling.internal.consumer.DefaultGradleConnector.MINIMUM_SUPPORTED_GRADLE_VERSION

abstract class ToolingApiClientJdkCompatibilityTest extends AbstractIntegrationSpec {

    def setup() {
        System.out.println("TAPI client is using Java " + clientJdkVersion)

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