import { default as React } from 'react';
export type CountdownTimerVariant = 'circular' | 'linear' | 'segmented' | 'numeric' | 'rounded-square' | 'triangle';
export type CountdownTimerSize = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
export type CountdownTimerColor = 'primary' | 'success' | 'warning' | 'danger';
export interface ColorThreshold {
    at: number;
    color: CountdownTimerColor | string;
}
export interface CountdownTimerProps {
    duration: number;
    variant?: CountdownTimerVariant;
    size?: CountdownTimerSize;
    autoStart?: boolean;
    repeat?: boolean;
    countUp?: boolean;
    color?: CountdownTimerColor | string;
    colorThresholds?: ColorThreshold[];
    segmentCount?: number;
    showControls?: boolean;
    pauseOnHover?: boolean;
    disabled?: boolean;
    disabledMessage?: string;
    pulseWhenRunning?: boolean;
    announceInterval?: number;
    announceFinalSeconds?: number;
    announceOnComplete?: boolean;
    announcePoliteness?: 'polite' | 'assertive';
    criticalThreshold?: number;
    onCriticalThreshold?: (remaining: number) => void;
    className?: string;
    style?: React.CSSProperties;
    onComplete?: () => void;
    onTick?: (remaining: number, elapsed: number) => void;
    onPause?: (remaining: number) => void;
    onResume?: (remaining: number) => void;
    onReset?: () => void;
}
export interface CountdownTimerHandle {
    pause: () => void;
    resume: () => void;
    reset: () => void;
    start: () => void;
}
export declare const CountdownTimer: React.ForwardRefExoticComponent<CountdownTimerProps & React.RefAttributes<CountdownTimerHandle>>;