/**
based on framer-motion@4.1.17,
Copyright (c) 2018 Framer B.V.
*/
import type { WithDepth } from './compare-by-depth';
declare class FlatTree {
    private children;
    private isDirty;
    add: (child: WithDepth) => void;
    remove: (child: WithDepth) => void;
    forEach: (callback: (child: WithDepth) => void) => void;
}
export { FlatTree };
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