export interface PickersFadeTransitionGroupClasses {
    /** Styles applied to the root element. */
    root: string;
}
export declare type PickersFadeTransitionGroupClassKey = keyof PickersFadeTransitionGroupClasses;
export declare const getPickersFadeTransitionGroupUtilityClass: (slot: string) => string;
export declare const pickersFadeTransitionGroupClasses: PickersFadeTransitionGroupClasses;