export interface DateTimePickerToolbarClasses { /** Styles applied to the root element. */ root: string; /** Styles applied to the date container element. */ dateContainer: string; /** Styles applied to the time container element. */ timeContainer: string; /** Styles applied to the separator element. */ separator: string; } export declare type DateTimePickerToolbarClassKey = keyof DateTimePickerToolbarClasses; export declare function getDateTimePickerToolbarUtilityClass(slot: string): string; export declare const dateTimePickerToolbarClasses: DateTimePickerToolbarClasses;