import { ReactNode, CSSProperties } from 'react';
export declare enum SelectMode {
    Multiple = 0,
    SingleLeaf = 1,
    SingleNode = 2
}
export interface TreeNode {
    key: string;
    className?: string;
    children?: TreeNode[];
    icon?: ReactNode;
    switcher?: ReactNode;
    title?: ReactNode;
    style?: CSSProperties;
}
export interface TreeRenderProps {
    node: TreeNode;
    showLine?: boolean;
    showIcon?: boolean;
    selectable?: boolean;
    selectedKey?: string;
    nodeIcon?: ReactNode;
    leafIcon?: ReactNode;
    isOpen?: boolean;
    onSelect?: (nextKey: string) => void;
}
export declare function isLeaf(node: TreeNode): boolean;
export declare function TreeSwitcher({ node }: TreeRenderProps): JSX.Element;
export declare function TreeTitle({ node }: TreeRenderProps): JSX.Element;
export declare function TreeIcon({ node, nodeIcon, leafIcon }: TreeRenderProps): JSX.Element;