code: public static BasicTagList of(String... tags) {
      Preconditions.checkArgument(tags.length % 2 == 0,
          "tags must be a sequence of key,value pairs");
  
      final SmallTagMap.Builder builder = SmallTagMap.builder();
      for (int i = 0; i < tags.length; i += 2) {
        Tag t = Tags.newTag(tags[i], tags[i + 1]);
        builder.add(t);
      }
      return new BasicTagList(builder.result());
    }
docs: Returns a tag list from the list of key values passed.
  <p/>
  Example:
  <p/>
  <code>
  BasicTagList tagList = BasicTagList.of("id", "someId", "class", "someClass");
  </code>