WorksheetFeed worksheetFeed = ss.getFeed(worksheetFeedUrl, WorksheetFeed.class);
WorksheetEntry defaultWorksheet = worksheetFeed.getEntries().get(0);
defaultWorksheet.setTitle(new PlainTextConstruct(targetKinds.get(0)));
defaultWorksheet.setRowCount(2);
defaultWorksheet.setColCount(1);
defaultWorksheet.update();
logger.info("Worksheet:" + targetKinds.get(0) + "is created.");
// Add other Worksheets
for (int i = 1; i < targetKinds.size(); i++) {
WorksheetEntry newWorksheet = new WorksheetEntry();