www.w3.org/TR/activitystreams-vocabulary/#dfn-summary">summary</a></code> |
          <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-summary">summaryMap</a></code> |
          <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-tag">tag</a></code> |
          <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-updated">updated</a></code> |
          <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-url">url</a></code> |
          <co