docs: public static IoMapping parseInputOutput(Element element) {
      Element inputOutputElement = element.elementNS(BpmnParse.CAMUNDA_BPMN_EXTENSIONS_NS, "inputOutput");
      if(inputOutputElement != null) {
        IoMapping ioMapping = new IoMapping();
        parseCamundaInputParameters(inputOutputElement, ioMapping);
        parseCamundaOutputParameters(inputOutputElement, ioMapping);
        return ioMapping;
      }
      return null;
    }