/**
 * Local Vector Clock
 * CRDT 기반 동기화를 위한 로컬 벡터 클럭 관리
 */
import type { VectorClockState } from '../types/index.js';
export declare class LocalVectorClock {
    private nodeId;
    private state;
    constructor(nodeId: string, state?: VectorClockState);
    /**
     * 현재 노드의 카운터를 1 증가
     */
    increment(): VectorClockState;
    /**
     * 원격 벡터 클럭과 병합 (element-wise max)
     */
    merge(remote: VectorClockState): void;
    getNodeId(): string;
    get(nodeId: string): number;
    /**
     * 두 벡터 클럭 비교
     * @returns 'before' | 'after' | 'concurrent' | 'equal'
     */
    compare(other: VectorClockState): 'before' | 'after' | 'concurrent' | 'equal';
    happensBefore(other: VectorClockState): boolean;
    isConcurrent(other: VectorClockState): boolean;
    toJSON(): VectorClockState;
    static fromJSON(nodeId: string, data: VectorClockState): LocalVectorClock;
}
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