coreExtension.setVersion(interpolatedTrimmed(parser.nextText(), "version"));
            } else if (checkFieldWithDuplicate(parser, "classLoadingStrategy", null, parsed)) {
                coreExtension.setClassLoadingStrategy(interpolatedTrimmed(parser.nextText(), "classLoadingStrategy"));
            } else {
                checkUnknownElement(parser, strict);
            }
        }
        return coreExtension;