export interface GridClasses {
    /** Class name applied to the root element. */
    root: string;
    /** Class name applied to the root element if 'container={true}'. */
    container: string;
}
export type GridClassKey = keyof GridClasses;
export declare function getGridUtilityClass(slot: string): string;
declare const gridClasses: GridClasses;
export default gridClasses;