import { BlendAnimatorTarget } from './BlendAnimator';
import Clip from './Clip';
import SamplerTrack from './SamplerTrack';
interface TrackAnimatorOpts {
    name: string;
    tracks: SamplerTrack[];
    loop: boolean;
}
interface TrackAnimator extends BlendAnimatorTarget {
}
/**
 * Animation clip that manage a collection of {@link clay.animation.SamplerTrack}
 */
declare class TrackAnimator {
    tracks: SamplerTrack[];
    name: string;
    private _range?;
    private _life;
    private _loop;
    private _clip?;
    constructor(opts?: Partial<TrackAnimatorOpts>);
    start(): void;
    setRange(range: number[]): void;
    setTime(time: number): void;
    calcLifeFromTracks(): void;
    addTrack(track: SamplerTrack): void;
    removeTarck(track: SamplerTrack): void;
    /**
     * @param {number} startTime
     * @param {number} endTime
     * @param {boolean} isLoop
     * @return {clay.animation.TrackClip}
     */
    getSubAnimator(startTime: number, endTime: number, isLoop?: boolean): TrackAnimator;
    /**
     * 1d blending from two skinning animators
     */
    blend1D(animator1: BlendAnimatorTarget, animator2: BlendAnimatorTarget, w: number): void;
    /**
     * Additive blending from two skinning clips
     */
    additiveBlend(animator1: BlendAnimatorTarget, animator2: BlendAnimatorTarget): void;
    /**
     * Subtractive blending from two skinning animators
     */
    subtractiveBlend(animator1: BlendAnimatorTarget, animator2: BlendAnimatorTarget): void;
    /**
     * 2D blending from three skinning animators
     */
    blend2D(animator1: TrackAnimator, animator2: TrackAnimator, animator3: TrackAnimator, f: number, g: number): void;
    /**
     * Copy SRT of all joints clips from another TrackClip
     */
    copy(animator: TrackAnimator): void;
    clone(): TrackAnimator;
    getLife(): number;
    setLife(life: number): void;
    getClip(): Clip | undefined;
}
export default TrackAnimator;