/**
 * @license
 * Copyright 2023 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import { BaseCollapseController, CollapseControllerHost } from './base.controller.js';
/**
 * Animation controller for collapse component
 * Handles smooth expand/collapse animations
 */
export declare class CollapseAnimationController extends BaseCollapseController {
    private animatingSections;
    private animationDuration;
    constructor(host: CollapseControllerHost);
    /**
     * Animate section toggle
     */
    animateToggle(index: number, isOpening: boolean): Promise<void>;
    /**
     * Animate expand
     */
    private animateExpand;
    /**
     * Animate collapse
     */
    private animateCollapse;
    /**
     * Get content element for a section
     */
    private getContentElement;
    /**
     * Check if section is currently animating
     */
    isAnimating(index: number): boolean;
    /**
     * Set animation duration
     */
    setAnimationDuration(duration: number): void;
}
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