docs: public AnnotationParameterValueList getAnnotationDefaultParameterValues() {
          if (!scanResult.scanSpec.enableAnnotationInfo) {
              throw new IllegalArgumentException("Please call ClassGraph#enableAnnotationInfo() before #scan()");
          }
          if (!isAnnotation) {
              throw new IllegalArgumentException("Class is not an annotation: " + getName());
          }
          if (annotationDefaultParamValues == null) {
              return AnnotationParameterValueList.EMPTY_LIST;
          }
          if (!annotationDefaultParamValuesHasBeenConvertedToPrimitive) {
              annotationDefaultParamValues.convertWrapperArraysToPrimitiveArrays(this);
              annotationDefaultParamValuesHasBeenConvertedToPrimitive = true;
          }
          return annotationDefaultParamValues;
      }