/**
 * @nahisaho/yata-scale - Cache Invalidation Manager
 *
 * Manages cache invalidation across tiers
 */
import type { Entity } from '../types.js';
/**
 * Invalidation event
 */
export interface InvalidationEvent {
    readonly type: 'entity' | 'relationship';
    readonly id: string;
    readonly operation: 'update' | 'delete';
    readonly timestamp: Date;
}
/**
 * Invalidation listener
 */
export type InvalidationListener = (event: InvalidationEvent) => void;
/**
 * Invalidation pattern for bulk invalidation
 */
export interface InvalidationPattern {
    readonly type?: string;
    readonly namespace?: string;
    readonly idPrefix?: string;
}
/**
 * Cache invalidation manager
 */
export declare class InvalidationManager {
    private listeners;
    private pendingInvalidations;
    private batchTimeout;
    private readonly batchSize;
    private readonly batchDelayMs;
    constructor(batchSize?: number, batchDelayMs?: number);
    /**
     * Invalidate an entity
     */
    invalidateEntity(id: string, operation?: 'update' | 'delete'): void;
    /**
     * Invalidate a relationship
     */
    invalidateRelationship(id: string, operation?: 'update' | 'delete'): void;
    /**
     * Invalidate multiple entities
     */
    invalidateEntities(ids: string[], operation?: 'update' | 'delete'): void;
    /**
     * Invalidate by pattern
     */
    invalidateByPattern(pattern: InvalidationPattern, entities: Entity[]): void;
    /**
     * Queue an invalidation event
     */
    private queueInvalidation;
    /**
     * Flush pending invalidations immediately
     */
    flushNow(): void;
    /**
     * Notify all listeners
     */
    private notifyListeners;
    /**
     * Add invalidation listener
     */
    addListener(listener: InvalidationListener): void;
    /**
     * Remove invalidation listener
     */
    removeListener(listener: InvalidationListener): void;
    /**
     * Clear all listeners
     */
    clearListeners(): void;
    /**
     * Get pending invalidation count
     */
    get pendingCount(): number;
    /**
     * Get listener count
     */
    get listenerCount(): number;
    /**
     * Close the manager
     */
    close(): void;
}
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