import type { Track } from "./Track.ts";
/** Named collection of keyframe tracks representing a single animation sequence. */
export declare class AnimationClip {
    #private;
    /**
     * @param name Clip name
     * @param duration Pass -1 to compute from tracks
     * @param tracks Array of keyframe tracks
     */
    constructor(name?: string, duration?: number, tracks?: Track[]);
    get name(): string;
    get duration(): number;
    get tracks(): Track[];
    /** Finds a clip by name in an array. */
    static findByName(clips: AnimationClip[], name: string): AnimationClip | undefined;
    /** Recomputes duration from the maximum keyframe time across all tracks. */
    resetDuration(): void;
    /** Removes keyframes outside [0, duration] from all tracks. */
    trim(): void;
    /** Removes redundant keyframes where the value does not change from the previous key. */
    optimize(): void;
}
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