import * as React from 'react';
import { TextStyle, ViewStyle } from 'react-native';
export interface IMDCaptchaProps {
    styles?: IMDCaptchaStyle;
    isVisible?: boolean;
    isView?: boolean;
    maxlength?: number;
    title?: string;
    brief?: string;
    error?: string;
    countdownNumber?: number;
    security?: boolean;
    system?: boolean;
    autoCountdown?: boolean;
    countNormalText?: string;
    countActiveText?: string;
    onShow?: () => void;
    onDismiss?: () => void;
    onClose?: () => void;
    onSend?: (countdown: () => void) => void;
    onSubmit?: (text: string) => void;
}
export interface IMDCaptchaState {
    error: string;
}
export interface IMDCaptchaStyle {
    wrapper?: ViewStyle;
    codeboxWrapper?: ViewStyle;
    title?: TextStyle;
    brief?: TextStyle;
    error?: TextStyle;
    children?: TextStyle;
    countNormal?: TextStyle;
    countActive?: TextStyle;
    footer?: ViewStyle;
}
export declare const MDCaptchaStyles: IMDCaptchaStyle;
export default class MDCaptcha extends React.Component<IMDCaptchaProps, IMDCaptchaState> {
    static defaultProps: {
        styles: IMDCaptchaStyle;
        isVisible: boolean;
        maxlength: number;
        countdownNumber: number;
        security: boolean;
        system: boolean;
        autoCountdown: boolean;
        isView: boolean;
        countNormalText: string;
        countActiveText: string;
    };
    constructor(props: IMDCaptchaProps);
    private currentInput;
    private countdown;
    render(): JSX.Element;
    componentDidMount(): void;
    countDown(): void;
    resetCount(): void;
    setError(message: string): void;
    private renderContent;
    private renderChildren;
    private renderCloseButton;
    private renderBrief;
    private renderCodebox;
    private onChangeText;
}