code: public void applyAppendConditionToRequest(final HttpURLConnection request) {
          if (this.ifMaxSizeLessThanOrEqual != null) {
              request.setRequestProperty(Constants.HeaderConstants.IF_MAX_SIZE_LESS_THAN_OR_EQUAL,
                      this.ifMaxSizeLessThanOrEqual.toString());
          }
  
          if (this.ifAppendPositionEqual != null) {
              request.setRequestProperty(Constants.HeaderConstants.IF_APPEND_POSITION_EQUAL_HEADER,
                      this.ifAppendPositionEqual.toString());
          }
      }
docs: RESERVED FOR INTERNAL USE. Applies the access condition to the request.
  
  @param request
  A <code>java.net.HttpURLConnection</code> object that represents the request to which the condition is
  being applied.
  
  @throws StorageException
  If there is an error parsing the date value of the access condition.