type MotionValue<K extends string> = Record<K, number>;
type MotionConfig<K extends string> = Record<K, {
    circle: MotionCircle | false;
}>;
type MotionInitalValue<K extends string> = Record<K, MotionValue<K>[K] | ({
    value: MotionValue<K>[K];
} & MotionConfig<K>[K])>;
interface MotionKeyframe<K extends string> {
    progress: number;
    value: MotionValue<K>;
    key?: string;
}
/** 是否是循环变化，比如 [0, 2 * Math.PI], 前闭后开 */
type MotionCircle = [number, number];
type ValueOfMotion<M> = M extends Motion<infer K> ? MotionValue<K> : never;
type KeyframeOfMotion<M> = M extends Motion<infer K> ? MotionKeyframe<K> : never;
declare class Motion<K extends string> {
    config: MotionConfig<K>;
    value: MotionValue<K>;
    progress: number;
    ended: boolean;
    startTime: number;
    startVelocity: number;
    duration: number;
    keyframes: MotionKeyframe<K>[];
    private callbacks?;
    constructor(initalValue: MotionInitalValue<K>);
    private getProgress;
    private getValue;
    getProgressVelocity(time: number): number;
    update(time: number): boolean;
    getKeyFrameSegment(time: number): [MotionKeyframe<K>, MotionKeyframe<K>];
    getTargetKeyframe(): MotionKeyframe<K>;
    set(value: Partial<MotionValue<K>>, duration: number, startProgressVelocity?: number, time?: number): Promise<void>;
    setKeyframes(keyframes: MotionKeyframe<K>[], duration: number, startProgressVelocity?: number, time?: number): Promise<void>;
    dispose(): void;
}
export { Motion, MotionCircle, MotionValue, MotionInitalValue, MotionKeyframe, ValueOfMotion, KeyframeOfMotion };