private Constructor getDataBoundConstructor() throws ConfiguratorException {
        final Constructor constructor = getDataBoundConstructor(target);
        if (constructor == null) {
            throw new ConfiguratorException(target.getName() + " is missing a @DataBoundConstructor");
        }
        return constructor;
    }
Gets DataBoundConstructor or fails.
@return constructor with {@link org.kohsuke.stapler.DataBoundConstructor} annotation
@throws ConfiguratorException Constructor not found
plugin/src/main/java/io/jenkins/plugins/casc/impl/configurators/DataBoundConfigurator.java