console.warn(['MUI: `ClassNameGenerator` import from `@mui/material/utils` is outdated and might cause unexpected issues.','',"You should use `import { unstable_ClassNameGenerator } from '@mui/material/className'` instead",'','The detail of the issue: https://github.com/mui/material-ui/issues/30011#issuecomment-1024993401','','The updated documentation: https://mui.com/guides/classname-generator/'].join('\n'));