pre-installations and preparations

node_modules/@mui/utils/unsupportedProp/unsupportedProp.d.ts

@@ -0,0 +1,7 @@
+export default function unsupportedProp(
+  props: { [key: string]: any },
+  propName: string,
+  componentName: string,
+  location: string,
+  propFullName: string,
+): Error | null;