docs: def get_project_versions(self, key, expand=None):
          """
          Contains a full representation of a the specified project's versions.
          :param key:
          :param expand: the parameters to expand
          :return:
          """
          params = {}
          if expand is not None:
              params['expand'] = expand
          return self.get('rest/api/2/project/{}/versions'.format(key), params=params)