import type { ConflictResolutions, MergeResult } from './types.ts';
/**
 * Perform a three-way merge: merge an incoming object with the current state,
 * detecting conflicts when both have modified the same path from the base.
 *
 * @param root - The unwrapped root object being observed
 * @param proxy - The proxied version to apply changes through (for tracking)
 * @param incomingObject - The incoming object to merge
 * @param resolutions - Optional conflict resolutions
 * @returns MergeResult with conflicts and applied count
 */
export declare const threeWayMerge: (root: object, proxy: object, incomingObject: object, resolutions?: ConflictResolutions) => MergeResult;
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