code: public static Map<String, String> tags(String ... strings) {
          Map<String, String> tags = new HashMap<>();
          for (int i = 0; i < strings.length - 1; i+=2) {
              String key = strings[i];
              String value = strings[i + 1];
              if (key != null && value != null) {
                  tags.put(key, value);
              }
          }
          return tags;
      }
docs: Simple method to create some tags.
  @param strings
  @return