docs: public void updateRequestByAddingReplaceVarPair(
              ParallelTask task, String replaceVarKey, String replaceVarValue) {
  
          Map<String, NodeReqResponse> taskResult = task.getParallelTaskResult();
  
          for (Entry<String, NodeReqResponse> entry : taskResult.entrySet()) {
              NodeReqResponse nodeReqResponse = entry.getValue();
  
              nodeReqResponse.getRequestParameters()
                      .put(PcConstants.NODE_REQUEST_PREFIX_REPLACE_VAR
                              + replaceVarKey, replaceVarValue);
              nodeReqResponse.getRequestParameters().put(
                      PcConstants.NODE_REQUEST_WILL_EXECUTE,
                      Boolean.toString(true));
  
          }// end for loop
  
      }