return new ZippedDistribution(configuration, clock);
    }

    /**
     * Uses the classpath to locate the distribution.
     */
    public Distribution getClasspathDistribution() {
        return new ClasspathDistribution();
    }

    private Distribution getDownloadedDistribution(String gradleVersion) {
        URI distUri = new DistributionLocator().getDistributionFor(GradleVersion.version(gradleVersion));

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