question: updates the operation notes concode_field_sep String summary concode_elem_sep String notes concode_elem_sep Set<String> protocol concode_elem_sep Set<String> produces concode_elem_sep List<Parameter> parameters concode_elem_sep Set<ResponseMessage> responseMessages concode_elem_sep String deprecated concode_elem_sep OperationNameGenerator nameGenerator concode_elem_sep boolean isHidden concode_elem_sep Set<String> tags concode_elem_sep List<VendorExtension> vendorExtensions concode_elem_sep ModelRef responseModel concode_elem_sep int position concode_elem_sep HttpMethod method concode_elem_sep List<SecurityReference> securityReferences concode_elem_sep String uniqueId concode_elem_sep Set<String> consumes concode_field_sep OperationBuilder summary concode_elem_sep Set<ResponseMessage> mergeResponseMessages concode_elem_sep OperationBuilder notes concode_elem_sep OperationBuilder method concode_elem_sep OperationBuilder hidden concode_elem_sep OperationBuilder deprecated concode_elem_sep OperationBuilder authorizations concode_elem_sep OperationBuilder tags concode_elem_sep OperationBuilder extensions concode_elem_sep Operation build concode_elem_sep OperationBuilder produces concode_elem_sep OperationBuilder responseModel concode_elem_sep Function<? super ResponseMessage,Integer> byStatusCode concode_elem_sep OperationBuilder position concode_elem_sep OperationBuilder protocols concode_elem_sep OperationBuilder parameters concode_elem_sep OperationBuilder uniqueId concode_elem_sep OperationBuilder consumes concode_elem_sep OperationBuilder responseMessages
target: OperationBuilder function ( String arg0 ) { this . notes = defaultIfAbsent ( arg0 , this . notes ) ; return this ; }