pre-installations and preparations

node_modules/@mui/system/Stack/stackClasses.d.ts

@@ -0,0 +1,8 @@
+export interface StackClasses {
+    /** Styles applied to the root element. */
+    root: string;
+}
+export type StackClassKey = keyof StackClasses;
+export declare function getStackUtilityClass(slot: string): string;
+declare const stackClasses: StackClasses;
+export default stackClasses;