import { CountdownTimerProps, CountdownTimerState, ProgressBarCountdownProps, TwoPhaseProgressBarCountdownProps } from "./types";
import * as React from "react";
export declare const TextCountdownTimer: {
    new (props: CountdownTimerProps): {
        timer?: number | undefined;
        render(): JSX.Element;
        componentDidMount(): Promise<void>;
        componentWillUnmount(): void;
        updateTimeRemaining: () => number;
        initCountdown: () => Promise<void>;
        context: any;
        setState<K extends "secondsRemaining">(state: CountdownTimerState | ((prevState: Readonly<CountdownTimerState>, props: Readonly<CountdownTimerProps>) => CountdownTimerState | Pick<CountdownTimerState, K> | null) | Pick<CountdownTimerState, K> | null, callback?: (() => void) | undefined): void;
        forceUpdate(callback?: (() => void) | undefined): void;
        readonly props: Readonly<CountdownTimerProps> & Readonly<{
            children?: React.ReactNode;
        }>;
        state: Readonly<CountdownTimerState>;
        refs: {
            [key: string]: React.ReactInstance;
        };
        shouldComponentUpdate?(nextProps: Readonly<CountdownTimerProps>, nextState: Readonly<CountdownTimerState>, nextContext: any): boolean;
        componentDidCatch?(error: Error, errorInfo: React.ErrorInfo): void;
        getSnapshotBeforeUpdate?(prevProps: Readonly<CountdownTimerProps>, prevState: Readonly<CountdownTimerState>): any;
        componentDidUpdate?(prevProps: Readonly<CountdownTimerProps>, prevState: Readonly<CountdownTimerState>, snapshot?: any): void;
        componentWillMount?(): void;
        UNSAFE_componentWillMount?(): void;
        componentWillReceiveProps?(nextProps: Readonly<CountdownTimerProps>, nextContext: any): void;
        UNSAFE_componentWillReceiveProps?(nextProps: Readonly<CountdownTimerProps>, nextContext: any): void;
        componentWillUpdate?(nextProps: Readonly<CountdownTimerProps>, nextState: Readonly<CountdownTimerState>, nextContext: any): void;
        UNSAFE_componentWillUpdate?(nextProps: Readonly<CountdownTimerProps>, nextState: Readonly<CountdownTimerState>, nextContext: any): void;
    };
    contextType?: React.Context<any> | undefined;
};
export declare const ProgressBarCountdownTimer: React.ComponentClass<ProgressBarCountdownProps>;
export declare const SmallProgressBarCountdownTimer: React.ComponentClass<ProgressBarCountdownProps>;
export declare const TwoPhaseProgressBarCountdownTimer: React.ComponentClass<TwoPhaseProgressBarCountdownProps>;
export * from "./types";
export * from "./constants";
