import { ESLCarouselAutoplayStateMixin } from './esl-carousel.autoplay.state.mixin';
interface ESLCarouselAutoplayProgressSnapshot {
    active: boolean;
    duration: number;
    remaining: number;
    progress: number;
}
/**
 * A mixin (custom attribute) element that manages the progress animation for the autoplay functionality
 * of an ESL Carousel. It extends the autoplay state mixin and adds progress/animation markers.
 * Uses an exclusive autoplay state marker to represent autoplay progress:
 * - `animate` attribute - appears on each cycle of active autoplay;
 * drops one frame before the next cycle to activate CSS animation
 * - `autoplay-state` attribute - indicates the current autoplay runtime state
 * - `--esl-autoplay-timeout` CSS variable - indicates the remaining autoplay cycle duration
 * - `--esl-autoplay-duration` CSS variable - indicates the full autoplay cycle duration
 * - `--esl-autoplay-progress` CSS variable - indicates completed progress ratio (0..1)
 */
export declare class ESLCarouselAutoplayProgressMixin extends ESLCarouselAutoplayStateMixin {
    static is: string;
    /** Attribute to start animation representing autoplay cycle */
    animate: boolean;
    disconnectedCallback(): void;
    protected isBlockedProgress(baseRemaining: number): boolean;
    protected getProgressSnapshot(): ESLCarouselAutoplayProgressSnapshot;
    protected syncState(): void;
}
export {};