public static ShenyuInstanceRegisterRepository newInstance(final String registerType) {
        return REPOSITORY_MAP.computeIfAbsent(registerType, ExtensionLoader.getExtensionLoader(ShenyuInstanceRegisterRepository.class)::getJoin);
    }
New instance shenyu instance register repository.

@param registerType the config
@return the shenyu instance register repository
shenyu-registry/shenyu-registry-core/src/main/java/org/apache/shenyu/registry/core/ShenyuInstanceRegisterRepositoryFactory.java