code: public List<GitlabTag> getTags(Serializable projectId) {
          String tailUrl = GitlabProject.URL + "/" + sanitizeProjectId(projectId) + GitlabTag.URL + PARAM_MAX_ITEMS_PER_PAGE;
          return retrieve().getAll(tailUrl, GitlabTag[].class);
      }
docs: Get a list of tags in specific project
  
  @param projectId
  @return