code: public CopyOrMoveRowResult copyRows(Long sheetId, EnumSet<RowCopyInclusion> includes, Boolean ignoreRowsNotFound, CopyOrMoveRowDirective copyParameters) throws SmartsheetException {
          String path = "sheets/" + sheetId +"/rows/copy";
          HashMap<String, Object> parameters = new HashMap<String, Object>();
          parameters.put("include", QueryUtil.generateCommaSeparatedList(includes));
  
          if (ignoreRowsNotFound != null){
              parameters.put("ignoreRowsNotFound", ignoreRowsNotFound.toString());
          }
  
          path += QueryUtil.generateUrl(null, parameters);
          return this.postAndReceiveRowObject(path, copyParameters);
      }
docs: Copies Row(s) from the Sheet specified in the URL to (the bottom of) another sheet.
  
  It mirrors to the following Smartsheet REST API method: POST /sheets/{sheetId}/rows/copy
  
  Exceptions:
  IllegalArgumentException : if any argument is null, or path is empty string
  InvalidRequestException : if there is any problem with the REST API request
  AuthorizationException : if there is any problem with the REST API authorization(access token)
  ServiceUnavailableException : if the REST API service is not available (possibly due to rate limiting)
  SmartsheetRestException : if there is any other REST API related error occurred during the operation
  SmartsheetException : if there is any other error occurred during the operation
  
  @param sheetId the sheet ID to move
  @param includes the parameters to include
  @param ignoreRowsNotFound optional,specifying row Ids that do not exist within the source sheet
  @param copyParameters   CopyOrMoveRowDirective object
  @return the result object
  @throws SmartsheetException the smartsheet exception