init 3

node_modules/@mui/private-theming/esm/defaultTheme/index.d.ts

@@ -0,0 +1,5 @@
+/**
+ * The default theme interface, augment this to avoid having to set the theme type everywhere.
+ * Our [TypeScript guide on theme customization](https://mui.com/material-ui/customization/theming/#custom-variables) explains in detail how you would add custom properties.
+ */
+export interface DefaultTheme {}