docs: document UrlTree in guard return type in cheatsheet (#30822)

Add UrlTree to the types of returned values in guard methods

PR Close #30822

aio/content/guide/cheatsheet.md

@@ -371,24 +371,24 @@ so the <code>@Directive</code> configuration applies to components as well</p>
 <td><p>The provided classes are added to the element when the <code>routerLink</code> becomes the current active route.</p>
 </td>
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-<td><code>class <b>CanActivate</b>Guard implements <b>CanActivate</b> {<br>    canActivate(<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;boolean&gt;|Promise&lt;boolean&gt;|boolean { ... }<br>}<br><br>{ path: ..., canActivate: [<b>CanActivate</b>Guard] }</code></td>
+<td><code>class <b>CanActivate</b>Guard implements <b>CanActivate</b> {<br>    canActivate(<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;boolean|UrlTree&gt;|Promise&lt;boolean|UrlTree&gt;|boolean|UrlTree { ... }<br>}<br><br>{ path: ..., canActivate: [<b>CanActivate</b>Guard] }</code></td>
-<td><p>An interface for defining a class that the router should call first to determine if it should activate this component. Should return a boolean or an Observable/Promise that resolves to a boolean.</p>
+<td><p>An interface for defining a class that the router should call first to determine if it should activate this component. Should return a boolean|UrlTree or an Observable/Promise that resolves to a boolean|UrlTree.</p>
 </td>
 </tr><tr>
-<td><code>class <b>CanDeactivate</b>Guard implements <b>CanDeactivate</b>&lt;T&gt; {<br>    canDeactivate(<br>      component: T,<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;boolean&gt;|Promise&lt;boolean&gt;|boolean { ... }<br>}<br><br>{ path: ..., canDeactivate: [<b>CanDeactivate</b>Guard] }</code></td>
+<td><code>class <b>CanDeactivate</b>Guard implements <b>CanDeactivate</b>&lt;T&gt; {<br>    canDeactivate(<br>      component: T,<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;boolean|UrlTree&gt;|Promise&lt;boolean|UrlTree&gt;|boolean|UrlTree { ... }<br>}<br><br>{ path: ..., canDeactivate: [<b>CanDeactivate</b>Guard] }</code></td>
-<td><p>An interface for defining a class that the router should call first to determine if it should deactivate this component after a navigation. Should return a boolean or an Observable/Promise that resolves to a boolean.</p>
+<td><p>An interface for defining a class that the router should call first to determine if it should deactivate this component after a navigation. Should return a boolean|UrlTree or an Observable/Promise that resolves to a boolean|UrlTree.</p>
 </td>
 </tr><tr>
-<td><code>class <b>CanActivateChild</b>Guard implements <b>CanActivateChild</b> {<br>    canActivateChild(<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;boolean&gt;|Promise&lt;boolean&gt;|boolean { ... }<br>}<br><br>{ path: ..., canActivateChild: [CanActivateGuard],<br>    children: ... }</code></td>
+<td><code>class <b>CanActivateChild</b>Guard implements <b>CanActivateChild</b> {<br>    canActivateChild(<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;boolean|UrlTree&gt;|Promise&lt;boolean|UrlTree&gt;|boolean|UrlTree { ... }<br>}<br><br>{ path: ..., canActivateChild: [CanActivateGuard],<br>    children: ... }</code></td>
-<td><p>An interface for defining a class that the router should call first to determine if it should activate the child route. Should return a boolean or an Observable/Promise that resolves to a boolean.</p>
+<td><p>An interface for defining a class that the router should call first to determine if it should activate the child route. Should return a boolean|UrlTree or an Observable/Promise that resolves to a boolean|UrlTree.</p>
 </td>
 </tr><tr>
 <td><code>class <b>Resolve</b>Guard implements <b>Resolve</b>&lt;T&gt; {<br>    resolve(<br>      route: ActivatedRouteSnapshot,<br>      state: RouterStateSnapshot<br>    ): Observable&lt;any&gt;|Promise&lt;any&gt;|any { ... }<br>}<br><br>{ path: ..., resolve: [<b>Resolve</b>Guard] }</code></td>
 <td><p>An interface for defining a class that the router should call first to resolve route data before rendering the route. Should return a value or an Observable/Promise that resolves to a value.</p>
 </td>
 </tr><tr>
-<td><code>class <b>CanLoad</b>Guard implements <b>CanLoad</b> {<br>    canLoad(<br>      route: Route<br>    ): Observable&lt;boolean&gt;|Promise&lt;boolean&gt;|boolean { ... }<br>}<br><br>{ path: ..., canLoad: [<b>CanLoad</b>Guard], loadChildren: ... }</code></td>
+<td><code>class <b>CanLoad</b>Guard implements <b>CanLoad</b> {<br>    canLoad(<br>      route: Route<br>    ): Observable&lt;boolean|UrlTree&gt;|Promise&lt;boolean|UrlTree&gt;|boolean|UrlTree { ... }<br>}<br><br>{ path: ..., canLoad: [<b>CanLoad</b>Guard], loadChildren: ... }</code></td>
-<td><p>An interface for defining a class that the router should call first to check if the lazy loaded module should be loaded. Should return a boolean or an Observable/Promise that resolves to a boolean.</p>
+<td><p>An interface for defining a class that the router should call first to check if the lazy loaded module should be loaded. Should return a boolean|UrlTree or an Observable/Promise that resolves to a boolean|UrlTree.</p>
 </td>
 </tr>
 </tbody></table>