import { Animator } from './Animator';
import Clip from './Clip';
export interface BlendAnimatorOpts {
    loop?: boolean;
}
interface BlendAnimator extends Animator {
}
declare abstract class BlendAnimator {
    abstract setTime(number: number): void;
    protected _inputs: {
        animator: BlendAnimatorTarget;
    }[];
    protected _output?: BlendAnimatorTarget;
    private _clip?;
    private _loop?;
    constructor(opts?: Partial<BlendAnimatorOpts>);
    start(): void;
    getClip(): Clip | undefined;
    getLife(): number;
    getLoop(): boolean;
    stop(): void;
}
export { BlendAnimator };
export interface BlendAnimatorTarget extends Animator {
    copy(animator: Animator): void;
    setTime(number: number): void;
    blend1D(animator1: BlendAnimatorTarget, animator2: BlendAnimatorTarget, w: number): void;
    blend2D(animator1: BlendAnimatorTarget, animator2: BlendAnimatorTarget, animator3: BlendAnimatorTarget, f: number, g: number): void;
    getLife(): number;
}