import * as React from 'react';
import { AppStateStatus, TextStyle } from 'react-native';
interface IMDCountdownProps {
    styles?: IMDCountdownStyle;
    normalText?: string;
    activeText?: string;
    countdownNumber?: number;
    onSend?: (countdown: () => void) => void;
}
interface IMDCountdownState {
    countDownToggle: boolean;
    countDown: number;
    appState: AppStateStatus;
}
interface IMDCountdownStyle {
    normal: TextStyle;
    active: TextStyle;
}
export default class MDCountdown extends React.Component<IMDCountdownProps, IMDCountdownState> {
    static defaultProps: {
        styles: IMDCountdownStyle;
        normalText: string;
        activeText: string;
    };
    constructor(props: IMDCountdownProps);
    private interval;
    private backgroundTime;
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): JSX.Element;
    countDown(): void;
    resetCount(): void;
    private timestamp;
    private handleAppStateChange;
    private startCountDown;
    private setCountDownToggle;
    private setCountDown;
}
export {};