import { MotionState } from '../motion-state';
export declare abstract class Feature {
    state: MotionState;
    constructor(state: MotionState);
    abstract mount(): void;
    abstract unmount(): void;
    update(): void;
}
export declare class FeatureManager {
    features: Feature[];
    constructor(state: MotionState);
    mount(): void;
    unmount(): void;
    update(): void;
}