public void applyTo(GradleRunner gradleRunner) {
            gradleRunner.withGradleDistribution(uri);
        }
    }

    private static final class VersionGradleProvider extends GradleProvider {
        private final String gradleVersion;

        public VersionGradleProvider(String gradleVersion) {
            this.gradleVersion = gradleVersion;
        }

        @Override

Class <org.gradle.testkit.runner.internal.GradleProvider$VersionGradleProvider> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (GradleProvider.java:0)