type KVObject = {
    [key: string]: any;
};
/**
 *
 * @param o the object we want to mutate
 * @param mutate a function that modifies any part of the object.
 * @returns an object tree in which each node is identical to its original if no value under its subtree truly changed. If any did, the node's identity is new.
 */
export declare function bubbleUpDeepMutations<T extends KVObject>(o: T, mutate: (o: T) => void): T;
export {};
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