fix(multiple): use cross-compatible type for setTimeout

src/cdk/a11y/focus-monitor/focus-monitor.ts

@@ -98,10 +98,10 @@ export class FocusMonitor implements OnDestroy {
   private _windowFocused = false;
 
   /** The timeout id of the window focus timeout. */
-  private _windowFocusTimeoutId: number;
+  private _windowFocusTimeoutId: ReturnType<typeof setTimeout>;
 
   /** The timeout id of the origin clearing timeout. */
-  private _originTimeoutId: number;
+  private _originTimeoutId: ReturnType<typeof setTimeout>;
 
   /**
    * Whether the origin was determined via a touch interaction. Necessary as properly attributing
@@ -137,7 +137,7 @@ export class FocusMonitor implements OnDestroy {
     // Make a note of when the window regains focus, so we can
     // restore the origin info for the focused element.
     this._windowFocused = true;
-    this._windowFocusTimeoutId = window.setTimeout(() => (this._windowFocused = false));
+    this._windowFocusTimeoutId = setTimeout(() => (this._windowFocused = false));
   };
 
   /** Used to reference correct document/window */

src/cdk/a11y/live-announcer/live-announcer.ts

@@ -29,7 +29,7 @@ export class LiveAnnouncer implements OnDestroy {
 
   private _liveElement: HTMLElement;
   private _document = inject(DOCUMENT);
-  private _previousTimeout: number;
+  private _previousTimeout: ReturnType<typeof setTimeout>;
   private _currentPromise: Promise<void> | undefined;
   private _currentResolve: (() => void) | undefined;
 

src/material/bottom-sheet/bottom-sheet-ref.ts

@@ -47,7 +47,7 @@ export class MatBottomSheetRef<T = any, R = any> {
   private _result: R | undefined;
 
   /** Handle to the timeout that's running as a fallback in case the exit animation doesn't fire. */
-  private _closeFallbackTimeout: number;
+  private _closeFallbackTimeout: ReturnType<typeof setTimeout>;
 
   constructor(
     private _ref: DialogRef<R, T>,

src/material/dialog/dialog-ref.ts

@@ -52,7 +52,7 @@ export class MatDialogRef<T, R = any> {
   private _result: R | undefined;
 
   /** Handle to the timeout that's running as a fallback in case the exit animation doesn't fire. */
-  private _closeFallbackTimeout: number;
+  private _closeFallbackTimeout: ReturnType<typeof setTimeout>;
 
   /** Current state of the dialog. */
   private _state = MatDialogState.OPEN;

src/material/snack-bar/snack-bar-container.ts

@@ -70,7 +70,7 @@ export class MatSnackBarContainer extends BasePortalOutlet implements OnDestroy
   private readonly _announceDelay: number = 150;
 
   /** The timeout for announcing the snack bar's content. */
-  private _announceTimeoutId: number;
+  private _announceTimeoutId: ReturnType<typeof setTimeout>;
 
   /** Whether the component has been destroyed. */
   private _destroyed = false;

src/material/snack-bar/snack-bar-ref.ts

@@ -45,7 +45,7 @@ export class MatSnackBarRef<T> {
    * Timeout ID for the duration setTimeout call. Used to clear the timeout if the snackbar is
    * dismissed before the duration passes.
    */
-  private _durationTimeoutId: number;
+  private _durationTimeoutId: ReturnType<typeof setTimeout>;
 
   /** Whether the snack bar was dismissed using the action button. */
   private _dismissedByAction = false;