if (moduleSources == null) {
            return super.createArtifactResolver(null);
        }

        return moduleSources.withSource(MavenUniqueSnapshotModuleSource.class, source -> {
            if (source.isPresent()) {
                return new MavenUniqueSnapshotExternalResourceArtifactResolver(super.createArtifactResolver(moduleSources), source.get());

	aggregatedDiscoveryManager := genericServer.AggregatedDiscoveryGroupManager
	if aggregatedDiscoveryManager != nil {
		aggregatedDiscoveryManager = aggregatedDiscoveryManager.WithSource(aggregated.CRDSource)
	}
	discoveryController := NewDiscoveryController(s.Informers.Apiextensions().V1().CustomResourceDefinitions(), versionDiscoveryHandler, groupDiscoveryHandler, aggregatedDiscoveryManager)

	b.Message = &value
	return b
}

// WithSource sets the Source field in the declarative configuration to the given value
// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the Source field is set to the value of the last call.
func (b *EventApplyConfiguration) WithSource(value *EventSourceApplyConfiguration) *EventApplyConfiguration {

        TestSource(String relativePath, String sourceSet) {
            this.relativePath = relativePath
            this.source = source
            this.sourceSet = sourceSet
        }

        TestSource withSource(String source) {
            this.source = source
            return this
        }
    }

	}

	pairs := []pair{}

	defaultManager := discoveryendpoint.NewResourceManager("apis")
	for i := 0; i < 10; i++ {
		name := discoveryendpoint.Source(100 * i)
		manager := defaultManager.WithSource(name)
		apis := fuzzAPIGroups(1, 3, int64(15+i))

		// Give the groups deterministic names
		for i := range apis.Items {
			apis.Items[i].Name = fmt.Sprintf("%v.%v.com", i, name)
		}