/**
 * @license chowa v1.1.3
 *
 * Copyright (c) Chowa Techonlogies Co.,Ltd.(http://www.chowa.cn).
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import * as React from 'react';
import * as PropTypes from 'prop-types';
import { OmitProps } from '../utils';
import { InputProps } from '../input';
export interface Option {
    value: string;
    [key: string]: any;
}
export interface OptionGroup {
    title: string;
    extra?: React.ReactNode;
    children: Options;
}
export declare type Options = [(React.ReactText | Option | OptionGroup)?];
export declare type Mode = 'concat' | 'search' | 'remote';
export interface AutoCompleteProps extends OmitProps<InputProps, 'onChange' | 'defaultValue' | 'value'> {
    defaultValue?: string;
    value?: string;
    mode?: Mode;
    concatExempt?: string;
    options: Options;
    formatter: (option: React.ReactText | Option, value: string) => React.ReactNode;
    onChange: (value: string) => void;
    externalWheelHide?: boolean;
}
export interface AutoCompleteState {
    result: string;
    hasChange: boolean;
    activeValue: React.ReactText;
    renderOptions: Options;
}
declare class AutoComplete extends React.PureComponent<AutoCompleteProps, AutoCompleteState> {
    static propTypes: {
        mode: PropTypes.Requireable<string>;
        concatExempt: PropTypes.Requireable<string>;
        options: PropTypes.Validator<any[]>;
        externalWheelHide: PropTypes.Requireable<boolean>;
        formatter: PropTypes.Requireable<(...args: any[]) => any>;
    };
    static defaultProps: {
        mode: string;
        externalWheelHide: boolean;
    };
    private inputIns;
    constructor(props: AutoCompleteProps);
    componentDidUpdate(preProps: AutoCompleteProps): void;
    private onInputChangeHandler;
    private onKeyDownHandler;
    private onVisibleChangeHandler;
    private triggerChange;
    private updateActiveValue;
    private onSelectValue;
    private renderDrop;
    render(): JSX.Element;
}
export default AutoComplete;