this.providers = providers;
    }

    @Override
    public void visitClasses(final Action<? super TestClassResult> visitor) {
        final Map<String, OverlaidIdProxyingTestClassResult> aggregatedTestResults = new LinkedHashMap<String, OverlaidIdProxyingTestClassResult>();
        classOutputProviders = ArrayListMultimap.create();
        final AtomicLong newIdCounter = new AtomicLong();

Class <org.gradle.api.internal.tasks.testing.junit.result.AggregateTestResultsProvider$OverlaidIdProxyingTestClassResult> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (AggregateTestResultsProvider.java:0)