import type { CachedApiEntry, CacheOptions, CacheStats } from '../types/index.js';
export declare class CacheService {
    private enabled;
    private persistentEnabled;
    private ttl;
    private syncInterval;
    private memoryCache;
    private urlIndex;
    private nameIndex;
    private pathIndex;
    private persistentStore;
    private syncTimer;
    private dirtyKeys;
    private pendingSyncs;
    private stats;
    constructor(options?: CacheOptions);
    setApi(entry: CachedApiEntry): void;
    findByUrl(url: string): {
        entry: CachedApiEntry;
        source: 'memory' | 'disk';
    } | undefined;
    findByName(projectId: string, name: string): {
        entry: CachedApiEntry;
        source: 'memory' | 'disk';
    } | undefined;
    findByPath(projectId: string, method: string, path: string): {
        entry: CachedApiEntry;
        source: 'memory' | 'disk';
    } | undefined;
    getApi(projectId: string, apiId: number): {
        entry: CachedApiEntry;
        source: 'memory' | 'disk';
    } | undefined;
    private getApiInternal;
    private syncToDisk;
    private syncIndexesToDisk;
    private loadFromDisk;
    private startSyncTimer;
    private stopSyncTimer;
    private removeFromDisk;
    private cleanupExpiredDiskCache;
    private isExpired;
    private fuzzySearchByName;
    private getApiKey;
    private getUrlKey;
    private getNameKey;
    private getPathKey;
    clear(): void;
    clearProject(projectId: string): number;
    clearByUrl(url: string): boolean;
    getStats(): CacheStats;
    isEnabled(): boolean;
    isPersistentEnabled(): boolean;
    shutdown(): Promise<void>;
}