code: public static void parseCamundaOutputParameters(Element inputOutputElement, IoMapping ioMapping) {
      List<Element> outputParameters = inputOutputElement.elementsNS(BpmnParse.CAMUNDA_BPMN_EXTENSIONS_NS, "outputParameter");
      for (Element outputParameterElement : outputParameters) {
        parseOutputParameterElement(outputParameterElement, ioMapping);
      }
    }
docs: Parses all output parameters of an input output element and adds them to
  the {@link IoMapping}.
  
  @param inputOutputElement the input output element to process
  @param ioMapping the input output mapping to add input parameters to
  @throws BpmnParseException if a output parameter element is malformed