Document that signout will not revoke the id token. (#7253)

* Document that signout will not revoke the id token.

* Update packages/auth/src/model/public_types.ts

Co-authored-by: Kevin Cheung <kevinthecheung@users.noreply.github.com>

---------

Co-authored-by: Kevin Cheung <kevinthecheung@users.noreply.github.com>

docs-devsite/auth.auth.md

@@ -41,7 +41,7 @@ export interface Auth
 |  [onAuthStateChanged(nextOrObserver, error, completed)](./auth.auth.md#authonauthstatechanged) | Adds an observer for changes to the user's sign-in state. |
 |  [onIdTokenChanged(nextOrObserver, error, completed)](./auth.auth.md#authonidtokenchanged) | Adds an observer for changes to the signed-in user's ID token. |
 |  [setPersistence(persistence)](./auth.auth.md#authsetpersistence) | Changes the type of persistence on the <code>Auth</code> instance. |
-|  [signOut()](./auth.auth.md#authsignout) | Signs out the current user. |
+|  [signOut()](./auth.auth.md#authsignout) | Signs out the current user. This does not automatically revoke the user's ID token. |
 |  [updateCurrentUser(user)](./auth.auth.md#authupdatecurrentuser) | Asynchronously sets the provided user as [Auth.currentUser](./auth.auth.md#authcurrentuser) on the [Auth](./auth.auth.md#auth_interface) instance. |
 |  [useDeviceLanguage()](./auth.auth.md#authusedevicelanguage) | Sets the current language to the default device/browser preference. |
 
@@ -247,7 +247,7 @@ auth.setPersistence(browserSessionPersistence);
 
 ## Auth.signOut()
 
-Signs out the current user.
+Signs out the current user. This does not automatically revoke the user's ID token.
 
 <b>Signature:</b>
 

packages/auth/src/model/public_types.ts

@@ -313,7 +313,7 @@ export interface Auth {
    */
   useDeviceLanguage(): void;
   /**
-   * Signs out the current user.
+   * Signs out the current user. This does not automatically revoke the user's ID token.
    */
   signOut(): Promise<void>;
 }