protected RouterOperation customizeRouterOperation(RouterOperation routerOperation, HandlerMethod handlerMethod) {
		Optional<Set<RouterOperationCustomizer>> optionalRouterOperationCustomizers = springDocCustomizers.getRouterOperationCustomizers();
		if (optionalRouterOperationCustomizers.isPresent()) {
			Set<RouterOperationCustomizer> routerOperationCustomizerList = optionalRouterOperationCustomizers.get();
			for (RouterOperationCustomizer routerOperationCustomizer : routerOperationCustomizerList) {
				routerOperation = routerOperationCustomizer.customize(routerOperation, handlerMethod);
			}
		}
		return routerOperation;
	}
Customise router operation

@param routerOperation the router operation
@param handlerMethod   the handler method
@return the router operation
springdoc-openapi-starter-common/src/main/java/org/springdoc/api/AbstractOpenApiResource.java