@mui/joy/modern/Box/boxClasses.js

Joy UI is an open-source React component library that implements MUI's own design principles. It's comprehensive and can be used in production out of the box.

import { unstable_generateUtilityClasses as generateUtilityClasses } from '@mui/utils';
const boxClasses = generateUtilityClasses('MuiBox', ['root']);
export default boxClasses;