import type { EasingType, AnimationEvents } from './types.js';
export type { EasingType } from './types.js';
import { EventEmitter } from './EventEmitter.js';
export declare const easings: Record<EasingType, (t: number) => number>;
type DeepRecord = {
    [key: string]: number | string | DeepRecord;
};
export type AnimationCallback = (state: Record<string, any>) => void;
export declare class Animation extends EventEmitter<AnimationEvents> {
    private initialTarget;
    private rafId;
    private startTime;
    private pausedElapsed;
    private isPaused;
    private duration;
    private easingFn;
    private callback;
    private from;
    private to;
    constructor(target: DeepRecord);
    /**
     * 애니메이션을 시작합니다.
     * @param callback 매 프레임마다 현재 상태를 전달받는 콜백
     * @param duration 지속 시간 (ms)
     * @param easing 이징 함수 이름 (기본값: 'linear')
     */
    start(callback: AnimationCallback, duration: number, easing?: EasingType): this;
    pause(): this;
    resume(): this;
    stop(): this;
    private _tick;
}
/** LeviarObject의 animate()에서 사용 - source 객체를 직접 업데이트합니다. */
export declare function animateObject(source: Record<string, any>, rawTarget: DeepRecord, duration: number, easing?: EasingType): Animation;