/// <reference types="react" />
import { CascaderValueType, CascaderOptionType, KeysDataType } from './cascader';
export declare const useChecked: (value: CascaderValueType, flattenData: CascaderOptionType[], keysData: KeysDataType, isMultiple: boolean) => never[] | readonly [unknown[], unknown[], import("react").Dispatch<import("react").SetStateAction<unknown[]>>, import("react").Dispatch<import("react").SetStateAction<unknown[]>>];
export declare const flattenAll: (data: CascaderOptionType[], newTreeData?: CascaderOptionType[]) => {
    formatData: CascaderOptionType[];
    keysData: CascaderOptionType;
    flattenData: CascaderOptionType[];
};
export declare const isHalfChecked: (data: any[]) => boolean;
export declare const ValueSeparator = "__kdm_cascader__";
export declare const transformValuesToSet: (values: CascaderValueType) => Set<unknown>;
export declare const valueInSet: (set: Set<any>, value: string[]) => boolean;
export declare function getChildNodeKeys(node: CascaderOptionType, keysNodeProps: KeysDataType): Set<string>;
export declare const setNodeCheckedByValue: (initValues: CascaderValueType, flatNodes: CascaderOptionType[], keysNodeProps: KeysDataType) => {
    checkedKeys: unknown[];
    halfCheckedKeys: unknown[];
};
export declare const getHalfChecked: (halfCheckedKeys: any[], key: string) => boolean;
export declare const getChecked: (checkedKeys: any[], key: string) => boolean;
export declare const addKeys: (prevKeys?: any[], newKeys?: any[]) => any[];
export declare const delKey: (prevKeys: any[], delKeys: any[]) => never[] & any[];
export declare const getMultipleCheckValue: (_propsValue: CascaderValueType, _option: CascaderOptionType, _checked: boolean, flatNodes: CascaderOptionType[], checkedKeys: []) => any[];
export declare function getAllCheckedKeys(key: any, checked: boolean, checkedKeys: any[], keysNodeProps: KeysDataType, halfCheckedKeys: any[]): {
    checkedKeys: any[];
    halfCheckedKeys: any[];
};