import { PureComponent } from "react";
import { SelectProps } from 'antd/lib/select/index';
declare type optionsType = {
    name: string;
    value: string | Number;
    key?: string;
    parent?: optionsType;
    children?: optionsType[];
};
export declare class DoubleSelect extends PureComponent<{
    options: optionsType[];
    value?: [string | Number, string | Number];
    firstPlaceholder?: string;
    lastPlaceholder?: string;
    firstProps?: SelectProps;
    lastProps?: SelectProps;
    initCheck?: boolean;
    disabled?: boolean;
    onChange?: (value: [string | Number, string | Number]) => void;
}> {
    private setAsyncState;
    state: {
        firstActive: any;
        lastActive: any;
        firstOptions: any[];
        lastOptions: any[];
    };
    componentDidMount(): void;
    UNSAFE_componentWillReceiveProps(nextProps: any): void;
    initData(): void;
    onUpdateValue(value: any): void;
    onEmitChange(): void;
    onHandleFirstChange(value: any, option: any): void;
    onHandleLastChange(value: any, option: any): void;
    render(): JSX.Element;
}
export {};