/// <reference types="react" />
export declare const prefixCls: string;
export declare const itemsCls: string;
export declare const itemWidthAutoCls: string;
export declare const itemCls: string;
export declare const dividerCls: string;
export declare const emptyCls: string;
export declare const titleCls: string;
export declare const iconCls: string;
export declare const errorCls: string;
export declare const expandedAttr: string;
export declare const selectedAttr: string;
export declare const valueAttr: string;
export declare const SCascade: import("react").ForwardRefExoticComponent<import("react").HTMLAttributes<HTMLElement> & {
    theme?: import("../../../style").Theme | undefined;
} & import("react").RefAttributes<HTMLElement>>;