export interface DateTimeRangePickerToolbarClasses { /** Styles applied to the root element. */ root: string; /** Styles applied to the start toolbar element. */ startToolbar: string; /** Styles applied to the end toolbar element. */ endToolbar: string; } export type DateTimeRangePickerToolbarClassKey = keyof DateTimeRangePickerToolbarClasses; export declare function getDateTimeRangePickerToolbarUtilityClass(slot: string): string; export declare const dateTimeRangePickerToolbarClasses: DateTimeRangePickerToolbarClasses;