@mui/material/esm/Popper/popperClasses.js

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

import generateUtilityClasses from '@mui/utils/generateUtilityClasses';
import generateUtilityClass from '@mui/utils/generateUtilityClass';
export function getPopperUtilityClass(slot) {
  return generateUtilityClass('MuiPopper', slot);
}
const popperClasses = generateUtilityClasses('MuiPopper', ['root']);
export default popperClasses;