import { NodeKey, TreeNodeOptions } from "./types";
declare const selectedNodes: import("vue").Ref<{
    readonly selected: {
        nodeKey: NodeKey;
        name: string;
        level: number;
        loading: boolean;
        hasChildren: boolean;
        children: {
            nodeKey: NodeKey;
            name: string;
            level?: number | undefined;
            loading?: boolean | undefined;
            hasChildren?: boolean | undefined;
            children?: any[] | undefined;
            parentKey?: string | number | null | undefined;
        }[];
        parentKey: string | number | null;
    }[];
    select: (...values: Required<TreeNodeOptions>[]) => void;
    deselect: (...values: Required<TreeNodeOptions>[]) => void;
    toggle: (value: Required<TreeNodeOptions>) => void;
    clear: () => void;
    isSelected: (value: Required<TreeNodeOptions>) => boolean;
    isEmpty: () => boolean;
    hasValue: () => boolean;
    sort: (predicate?: ((a: Required<TreeNodeOptions>, b: Required<TreeNodeOptions>) => number) | undefined) => void;
    isMultipleSelection: () => boolean;
}>;
declare const checkedNodes: import("vue").Ref<{
    readonly selected: {
        nodeKey: NodeKey;
        name: string;
        level: number;
        loading: boolean;
        hasChildren: boolean;
        children: {
            nodeKey: NodeKey;
            name: string;
            level?: number | undefined;
            loading?: boolean | undefined;
            hasChildren?: boolean | undefined;
            children?: any[] | undefined;
            parentKey?: string | number | null | undefined;
        }[];
        parentKey: string | number | null;
    }[];
    select: (...values: Required<TreeNodeOptions>[]) => void;
    deselect: (...values: Required<TreeNodeOptions>[]) => void;
    toggle: (value: Required<TreeNodeOptions>) => void;
    clear: () => void;
    isSelected: (value: Required<TreeNodeOptions>) => boolean;
    isEmpty: () => boolean;
    hasValue: () => boolean;
    sort: (predicate?: ((a: Required<TreeNodeOptions>, b: Required<TreeNodeOptions>) => number) | undefined) => void;
    isMultipleSelection: () => boolean;
}>;
declare const expandedKeys: import("vue").Ref<{
    readonly selected: NodeKey[];
    select: (...values: NodeKey[]) => void;
    deselect: (...values: NodeKey[]) => void;
    toggle: (value: NodeKey) => void;
    clear: () => void;
    isSelected: (value: NodeKey) => boolean;
    isEmpty: () => boolean;
    hasValue: () => boolean;
    sort: (predicate?: ((a: NodeKey, b: NodeKey) => number) | undefined) => void;
    isMultipleSelection: () => boolean;
}>;
declare const disabledKeys: import("vue").Ref<{
    readonly selected: NodeKey[];
    select: (...values: NodeKey[]) => void;
    deselect: (...values: NodeKey[]) => void;
    toggle: (value: NodeKey) => void;
    clear: () => void;
    isSelected: (value: NodeKey) => boolean;
    isEmpty: () => boolean;
    hasValue: () => boolean;
    sort: (predicate?: ((a: NodeKey, b: NodeKey) => number) | undefined) => void;
    isMultipleSelection: () => boolean;
}>;
declare function flattenTree(source: TreeNodeOptions[], defaultCheckedKeys: NodeKey[], defaultExpandedKeys: NodeKey[]): Required<TreeNodeOptions>[];
declare function updateDownwards(checked: boolean, node: Required<TreeNodeOptions>): void;
declare function updateUpwards(targetNode: Required<TreeNodeOptions>, flatList: Required<TreeNodeOptions>[]): void;
export { selectedNodes, checkedNodes, expandedKeys, disabledKeys, flattenTree, updateUpwards, updateDownwards };