private void setRef(ApiResponses apiResponsesObject, io.swagger.v3.oas.annotations.responses.ApiResponse response,
			ApiResponse apiResponseObject) {
		apiResponseObject.set$ref(response.ref());
		if (StringUtils.isNotBlank(response.responseCode())) {
			apiResponsesObject.addApiResponse(response.responseCode(), apiResponseObject);
		}
		else {
			apiResponsesObject._default(apiResponseObject);
		}
	}
Sets ref.

@param apiResponsesObject the api responses object
@param response           the response
@param apiResponseObject  the api response object
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/service/OperationService.java