Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/node_modules/@mui/material/styles/useThemeProps.js

@@ -0,0 +1,16 @@
+'use client';
+
+import systemUseThemeProps from '@mui/system/useThemeProps';
+import defaultTheme from './defaultTheme';
+import THEME_ID from './identifier';
+export default function useThemeProps({
+  props,
+  name
+}) {
+  return systemUseThemeProps({
+    props,
+    name,
+    defaultTheme,
+    themeId: THEME_ID
+  });
+}