docs: public void updateKeys(XMPPConnection connection) throws InterruptedException, SmackException.NotConnectedException,
              SmackException.NoResponseException, XMPPException.XMPPErrorException, PubSubException.NotALeafNodeException,
              PubSubException.NotAPubSubNodeException, IOException {
          PublicKeysListElement metadata = OpenPgpPubSubUtil.fetchPubkeysList(connection, getJid());
          if (metadata == null) {
              return;
          }
  
          updateKeys(connection, metadata);
      }