import org.gradle.work.DisableCachingByDefault;

import javax.inject.Inject;
import java.util.Collection;

@DisableCachingByDefault(because = "Produces no cacheable output")
public abstract class RunApplication extends DefaultTask {
    private String mainClassName;
    private Collection<String> arguments;
    private FileCollection classpath;

    TestFile messageSrc

    def setup() {
        buildFile << """
            apply plugin: 'java'

            task run(type: ${RunApplication.canonicalName}) {
                classpath = sourceSets.main.runtimeClasspath
                mainClassName = "org.gradle.deployment.Main"

Class <org.gradle.internal.deployment.RunApplication> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (RunApplication.java:0)
Class <org.gradle.internal.dispatch.AsyncDispatch$1> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (AsyncDispatch.java:0)