code: public B camundaOutputParameter(String name, String value) {
      CamundaInputOutput camundaInputOutput = getCreateSingleExtensionElement(CamundaInputOutput.class);
  
      CamundaOutputParameter camundaOutputParameter = createChild(camundaInputOutput, CamundaOutputParameter.class);
      camundaOutputParameter.setCamundaName(name);
      camundaOutputParameter.setTextContent(value);
  
      return myself;
    }
docs: Creates a new camunda output parameter extension element with the
  given name and value.
  
  @param name the name of the output parameter
  @param value the value of the output parameter
  @return the builder object