/**
 * 3-way merge types for Last-Write-Wins (LWW) conflict resolution
 */
import type { CslItem } from "../../core/csl-json/types.js";
/**
 * Preference option for tie-breaking when timestamps are equal
 */
export type PreferOption = "local" | "remote";
/**
 * Merge options
 */
export interface MergeOptions {
    /**
     * Tie-breaker when custom.timestamp values are equal
     * If not provided and timestamps are equal, conflict is reported
     */
    prefer?: PreferOption;
}
/**
 * Information about a field conflict
 */
export interface FieldConflict {
    /** Field path (e.g., "title", "author[0].family") */
    field: string;
    /** Value in base version */
    base: unknown;
    /** Value in local version */
    local: unknown;
    /** Value in remote version */
    remote: unknown;
    /** Chosen value (based on LWW or prefer option) */
    resolved?: unknown;
}
/**
 * Information about a conflicted item
 */
export interface ItemConflict {
    /** UUID of the conflicted item */
    uuid: string;
    /** ID (citation key) of the item */
    id: string;
    /** List of conflicting fields */
    fields: FieldConflict[];
    /** Local timestamp */
    localTimestamp: string;
    /** Remote timestamp */
    remoteTimestamp: string;
    /** How the conflict was resolved */
    resolution: "auto-lww" | "prefer-local" | "prefer-remote" | "unresolved";
}
/**
 * Merge status
 */
export type MergeStatus = "success" | "auto-resolved" | "conflict";
/**
 * Result of a 3-way merge operation
 */
export interface MergeResult {
    /** Merge status */
    status: MergeStatus;
    /** Merged items (all items from both sides, with conflicts resolved) */
    merged: CslItem[];
    /** List of conflicts (empty if status is 'success') */
    conflicts: ItemConflict[];
    /** Items only in local (additions in local) */
    localOnly: CslItem[];
    /** Items only in remote (additions in remote) */
    remoteOnly: CslItem[];
    /** Items deleted in local (present in base, absent in local) */
    deletedInLocal: CslItem[];
    /** Items deleted in remote (present in base, absent in remote) */
    deletedInRemote: CslItem[];
}
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