import { InjectionKey, Slots } from 'vue';
import { CascaderOption, CascaderOptionInfo } from './interface';
import { UnionType } from '../_utils/types';
export interface CascaderContext {
    onClickOption: (option: CascaderOptionInfo, checked?: boolean) => void;
    setActiveKey: (key?: string) => void;
    setSelectedPath: (key?: string) => void;
    loadMore: (option: CascaderOption, done: (children?: CascaderOption[]) => void) => void;
    addLazyLoadOptions: (children: CascaderOption[], key: string) => void;
    formatLabel: (options: CascaderOption[]) => string;
    slots: Slots;
    valueMap: Map<string, UnionType | UnionType[]>;
    expandTrigger: 'click' | 'hover';
}
export declare const cascaderInjectionKey: InjectionKey<CascaderContext>;