@J2ObjCIncompatible // ClassValue
    enum ClassValueValidator implements GetCheckedTypeValidator {
      INSTANCE;

      /*
       * Static final fields are presumed to be fastest, based on our experience with
       * UnsignedBytesBenchmark. TODO(cpovirk): benchmark this
       */
      private static final ClassValue<Boolean> isValidClass =
          new ClassValue<Boolean>() {
            @Override

        }
        if (value instanceof Enum) {
            return visitor.enumValue((Enum<?>) value);
        }
        if (value instanceof Class<?>) {
            return visitor.classValue((Class<?>) value);
        }
        Class<?> valueClass = value.getClass();
        if (valueClass.equals(File.class)) {
            // Not subtypes as we don't know whether they are immutable or not

        }
        is EnumValue -> KaEnumEntryAnnotationValue(CallableId(enumClassId, enumEntryName), sourcePsi = null, token)
        is KClassValue -> when (val value = value) {
            is KClassValue.Value.LocalClass -> {
                val type = value.type.toKtType(analysisContext)
                val classId = value.type.unwrap().constructor.declarationDescriptor?.maybeLocalClassId