/// <reference types="react" />
import { EntityNode, EventDataNode, FlattenNode, TreeProps } from '../type';
export declare function useTree(props: TreeProps): {
    flattenNodes: FlattenNode[];
    handleNodeExpand: (treeNode: EventDataNode) => void;
    handlerCheck: (treeNode: EventDataNode) => void;
    containerStyle: {
        height: number;
        flex?: undefined;
    } | {
        flex: number;
        height?: undefined;
    };
    expandedKeys: string[];
    checkedKeys: string[];
    keyEntities: Record<string, EntityNode> | undefined;
    icon: ((checked: boolean) => import("react").ReactNode) | undefined;
    checkable: boolean;
    disabled: boolean;
    showIcon: boolean;
};