console.error([`MUI: The elevation provided <Paper elevation={${elevation}}> is not available in the theme.`, `Please make sure that \`theme.shadows[${elevation}]\` is defined.`].join('\n'));
return new Error(`MUI: Combining \`elevation={${elevation}}\` with \`variant="${variant}"\` has no effect. Either use \`elevation={0}\` or use a different \`variant\`.`);
}
return null;
}),
/**
* If `true`, rounded corners are disabled.
* @default false
*/
square: PropTypes.bool,
/**
* The system prop that allows defining system overrides as well as additional CSS styles.