code: private void addPostParams(final Request request) {
          if (startDate != null) {
              request.addPostParam("StartDate", DateConverter.dateStringFromLocalDate(startDate));
          }
  
          if (endDate != null) {
              request.addPostParam("EndDate", DateConverter.dateStringFromLocalDate(endDate));
          }
  
          if (includeSubaccounts != null) {
              request.addPostParam("IncludeSubaccounts", includeSubaccounts.toString());
          }
  
          if (statusCallback != null) {
              request.addPostParam("StatusCallback", statusCallback.toString());
          }
  
          if (statusCallbackMethod != null) {
              request.addPostParam("StatusCallbackMethod", statusCallbackMethod.toString());
          }
      }
docs: Add the requested post parameters to the Request.
  
  @param request Request to add post params to