/**
 * @nahisaho/yata-scale - Vector Clock
 *
 * Logical clock for causality tracking
 */
import type { VectorClockValue } from '../types.js';
/**
 * Comparison result
 */
export type ClockComparison = 'before' | 'after' | 'concurrent' | 'equal';
/**
 * Vector clock for distributed causality tracking
 */
export declare class VectorClock {
    private clock;
    constructor(initial?: VectorClockValue);
    /**
     * Increment clock for a node
     */
    increment(nodeId: string): void;
    /**
     * Get clock value for a node
     */
    get(nodeId: string): number;
    /**
     * Set clock value for a node
     */
    set(nodeId: string, value: number): void;
    /**
     * Merge with another clock (point-wise maximum)
     */
    merge(other: VectorClock): void;
    /**
     * Compare with another clock
     */
    compare(other: VectorClock): ClockComparison;
    /**
     * Check if this clock happened before another
     */
    happenedBefore(other: VectorClock): boolean;
    /**
     * Check if this clock happened after another
     */
    happenedAfter(other: VectorClock): boolean;
    /**
     * Check if concurrent with another clock
     */
    isConcurrentWith(other: VectorClock): boolean;
    /**
     * Check if equal to another clock
     */
    isEqual(other: VectorClock): boolean;
    /**
     * Clone this clock
     */
    clone(): VectorClock;
    /**
     * Convert to plain object
     */
    toValue(): VectorClockValue;
    /**
     * Create from plain object
     */
    static fromValue(value: VectorClockValue): VectorClock;
    /**
     * Serialize to string
     */
    serialize(): string;
    /**
     * Deserialize from string
     */
    static deserialize(data: string): VectorClock;
    /**
     * Get all node IDs
     */
    getNodes(): string[];
    /**
     * Get number of nodes
     */
    get size(): number;
    /**
     * Check if empty
     */
    get isEmpty(): boolean;
    /**
     * Get maximum timestamp across all nodes
     */
    getMaxTimestamp(): number;
    /**
     * Get sum of all timestamps
     */
    getSum(): number;
    /**
     * Clear the clock
     */
    clear(): void;
    /**
     * String representation
     */
    toString(): string;
}
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