code: public static List<String> normalizeTagsForUpload(List<String> list) {
          if (isNullOrEmpty(list)) {
              return null;
          }
          List<String> tmp = new ArrayList<String>();
          for (String s : list) {
              if (s.contains(" ")) {
                  tmp.add("\"" + s + "\"");
              } else {
                  tmp.add(s);
              }
          }
          return tmp;
      }
docs: Normalize tags for uploads.
  
  This will put quotation marks around tags that contain spaces.
  
  @param list list of tags.
  @return new list containing normalized tags.