/**
 * 3-way merge implementation with Last-Write-Wins (LWW) strategy
 */
import type { CslItem } from "../../core/csl-json/types.js";
import type { MergeOptions, MergeResult } from "./types.js";
/**
 * Performs a 3-way merge of CSL-JSON items
 *
 * @param base - Base version (common ancestor)
 * @param local - Local version (current working copy)
 * @param remote - Remote version (incoming changes)
 * @param options - Merge options (e.g., prefer local/remote for tie-breaking)
 * @returns Merge result with merged items and conflict information
 */
export declare function threeWayMerge(base: CslItem[], local: CslItem[], remote: CslItem[], options?: MergeOptions): MergeResult;
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