def jApiClassifier = Stub(JApiClass) // represents interfaces, enums and annotations
    def jApiMethod = Stub(JApiMethod)
    def jApiField = Stub(JApiField) // represents fields and enum literals
    def jApiConstructor = Stub(JApiConstructor)
    def incubatingAnnotation = Stub(JApiAnnotation)
    def deprecatedAnnotation = Stub(JApiAnnotation)
    def overrideAnnotation = Stub(JApiAnnotation)

            task.from(extension.getUserManual().getSnippets(), sub -> {
                sub.into("snippets");
                sub.exclude("**/.gradle/**");
                sub.exclude("**/build/**");
                sub.setIncludeEmptyDirs(false);
            });
            task.from(extension.getUserManual().getSamples(), sub -> {
                sub.into("samples");
                sub.exclude("**/*.adoc");