buildFile << '''
            apply plugin: 'java'

            task generateResource
            task generateTestResource
            task notRegistered

            sourceSets.main.output.dir "$buildDir/generatedResources", builtBy: 'generateResource'
            sourceSets.main.output.dir "$buildDir/generatedResourcesWithoutBuilder"

        spec()
        def writer = new StringWriter()
        def model = builder.build()
        LibrariesSourceGenerator.generateSource(writer, model, 'org.test', className, problems)
        sources = new GeneratedSource(className, writer.toString(), model)
    }

    class GeneratedSource {
        final String className
        final String source
        final DefaultVersionCatalog model

    private final Set<String> aggregatedTypes;
    private final Set<String> generatedTypesDependingOnAllOthers;
    private final Map<String, Set<GeneratedResource>> generatedResourcesByOrigin;
    private final Set<GeneratedResource> generatedResourcesDependingOnAllOthers;
    private final String fullRebuildCause;

    public AnnotationProcessingData() {

        }

        ImmutableSet.Builder<GeneratedResource> resourceBuilder = ImmutableSet.builder();
        count = decoder.readSmallInt();
        for (int i = 0; i < count; i++) {
            GeneratedResource.Location location = GeneratedResource.Location.values()[decoder.readSmallInt()];
            String path = nameSerializer.read(decoder);
            resourceBuilder.add(new GeneratedResource(location, path));
        }

        Problems problemsService
    ) {
        super(writer);
        this.config = config;
        this.problemsService = (InternalProblems) problemsService;
    }

    public static void generateSource(
        Writer writer,
        DefaultVersionCatalog config,
        String packageName,
        String className,
        Problems problemsService
    ) {

Class <org.gradle.api.internal.tasks.compile.incremental.compilerapi.deps.GeneratedResource$Location> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (GeneratedResource.java:0)
Class <org.gradle.api.internal.tasks.compile.incremental.compilerapi.deps.GeneratedResource> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (GeneratedResource.java:0)