ht:#005CC5;--shiki-dark:#79B8FF;">FrontEnd</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">::</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">RouteHook</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">  def</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> before</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">request_context:</span><span 