pre-installations and preparations

node_modules/@mui/material/ToggleButtonGroup/toggleButtonGroupClasses.js

@@ -0,0 +1,7 @@
+import generateUtilityClasses from '@mui/utils/generateUtilityClasses';
+import generateUtilityClass from '@mui/utils/generateUtilityClass';
+export function getToggleButtonGroupUtilityClass(slot) {
+  return generateUtilityClass('MuiToggleButtonGroup', slot);
+}
+const toggleButtonGroupClasses = generateUtilityClasses('MuiToggleButtonGroup', ['root', 'selected', 'vertical', 'disabled', 'grouped', 'groupedHorizontal', 'groupedVertical', 'fullWidth', 'firstButton', 'lastButton', 'middleButton']);
+export default toggleButtonGroupClasses;