<spanclass="w"></span><spanclass="sd">"""Synchronize the auth_manager with the backend."""</span>
<spanclass="k">raise</span><spanclass="ne">NotImplementedError</span><spanclass="p">(</span><spanclass="s1">'Backend must define a sync method.'</span><spanclass="p">)</span></div>
<spanclass="w"></span><spanclass="sd">"""Return the name of the backend."""</span>
<spanclass="k">raise</span><spanclass="ne">NotImplementedError</span><spanclass="p">(</span><spanclass="s1">'Every backend must define a name.'</span><spanclass="p">)</span></div>