Update docs

docs/data/joy/components/input/DebouncedInput.js

@@ -7,7 +7,7 @@ import Box from '@mui/joy/Box';
 function DebounceInput(props) {
   const { handleDebounce, debounceTimeout, ...rest } = props;
 
-  const timerRef = React.useRef();
+  const timerRef = React.useRef(undefined);
 
   const handleChange = (event) => {
     clearTimeout(timerRef.current);

docs/data/joy/components/snackbar/SnackbarHideDuration.js

@@ -10,7 +10,7 @@ export default function SnackbarHideDuration() {
   const [open, setOpen] = React.useState(false);
   const [duration, setDuration] = React.useState();
   const [left, setLeft] = React.useState();
-  const timer = React.useRef();
+  const timer = React.useRef(undefined);
   const countdown = () => {
     timer.current = window.setInterval(() => {
       setLeft((prev) => (prev === undefined ? prev : Math.max(0, prev - 100)));

docs/data/material/components/progress/CircularIntegration.js

@@ -10,7 +10,7 @@ import SaveIcon from '@mui/icons-material/Save';
 export default function CircularIntegration() {
   const [loading, setLoading] = React.useState(false);
   const [success, setSuccess] = React.useState(false);
-  const timer = React.useRef();
+  const timer = React.useRef(undefined);
 
   const buttonSx = {
     ...(success && {

docs/data/material/components/progress/DelayingAppearance.js

@@ -8,7 +8,7 @@ import Typography from '@mui/material/Typography';
 export default function DelayingAppearance() {
   const [loading, setLoading] = React.useState(false);
   const [query, setQuery] = React.useState('idle');
-  const timerRef = React.useRef();
+  const timerRef = React.useRef(undefined);
 
   React.useEffect(
     () => () => {

docs/pages/base-ui/api/use-autocomplete.json

@@ -147,8 +147,8 @@
     },
     "unstable_isActiveElementInListbox": {
       "type": {
-        "name": "(listbox: React.RefObject<HTMLElement>) => boolean",
-        "description": "(listbox: React.RefObject<HTMLElement>) => boolean"
+        "name": "(listbox: React.RefObject<HTMLElement | null>) => boolean",
+        "description": "(listbox: React.RefObject<HTMLElement | null>) => boolean"
       }
     },
     "value": {

docs/pages/base-ui/api/use-modal.json

@@ -2,8 +2,8 @@
   "parameters": {
     "children": {
       "type": {
-        "name": "React.ReactElement | undefined | null",
-        "description": "React.ReactElement | undefined | null"
+        "name": "React.ReactElement<any> | undefined | null",
+        "description": "React.ReactElement<any> | undefined | null"
       },
       "required": true
     },