import * as React from 'react';
import { VerifyCodePropsType } from './PropsType';
import './style.less';
import CustomInput from './CustomInput';
interface VerifyCodeProps extends VerifyCodePropsType {
    prefixCls?: string;
    className?: string;
}
declare class VerifyCode extends React.Component<VerifyCodeProps, any> {
    static defaultProps: VerifyCodeProps;
    timer: any;
    inputRef?: CustomInput | null;
    constructor(props: VerifyCodeProps);
    componentDidMount(): void;
    componentWillUnmount(): void;
    static getDerivedStateFromProps(nextProps: any, state: any): {
        counter: any;
        countdowning: boolean;
        buttonText: any;
        time?: undefined;
    } | {
        counter: any;
        time: any;
        countdowning?: undefined;
        buttonText?: undefined;
    };
    countdown: () => void;
    btnClick(): void;
    _beginCountDown(flag?: boolean): void;
    onInputChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
    handleOnChange: (value: string, isMutated?: boolean, adjustPos?: Function) => void;
    onInputFocus: (value?: string | undefined) => void;
    onInputBlur: (value?: string | undefined) => void;
    calcPos: (prePos: number, preCtrlVal: string, rawVal: string, ctrlVal: string, placeholderChars: Array<string>, maskReg: RegExp) => number;
    render(): JSX.Element;
}
export { VerifyCodePropsType };
export default VerifyCode;