public IngressClassSpec build() {
            final var _resultValue = new IngressClassSpec();
            _resultValue.controller = controller;
            _resultValue.parameters = parameters;
            return _resultValue;
        }
@return parameters is a link to a custom resource containing additional configuration for the controller. This is optional if the controller does not require extra parameters.
sdk/java/src/main/java/com/pulumi/kubernetes/networking/v1/outputs/IngressClassSpec.java