/**
 * Miyabi MCP Bundle - Cache System
 *
 * LRU cache with TTL support for reducing redundant operations.
 */
import { CacheConfig } from './types.js';
/**
 * Enhanced LRU cache with TTL support
 */
export declare class SimpleCache {
    private cache;
    private config;
    constructor(config?: Partial<CacheConfig>);
    /**
     * Get value from cache
     * Returns null if not found or expired
     */
    get<T>(key: string): T | null;
    /**
     * Set value in cache with optional TTL
     */
    set<T>(key: string, data: T, ttlMs?: number): void;
    /**
     * Delete entry from cache
     */
    delete(key: string): boolean;
    /**
     * Clear all entries from cache
     */
    clear(): void;
    /**
     * Get or set value using factory function
     * If cached value exists and not expired, returns it
     * Otherwise, calls factory, caches result, and returns it
     */
    getOrSet<T>(key: string, factory: () => Promise<T>, ttlMs?: number): Promise<T>;
    /**
     * Invalidate entries matching a pattern
     * @returns Number of entries invalidated
     */
    invalidatePattern(pattern: RegExp): number;
    /**
     * Invalidate entries with a prefix
     * @returns Number of entries invalidated
     */
    invalidatePrefix(prefix: string): number;
    /**
     * Check if key exists and is not expired
     */
    has(key: string): boolean;
    /**
     * Get current cache size
     */
    get size(): number;
    /**
     * Get cache statistics
     */
    getStats(): {
        size: number;
        maxSize: number;
        defaultTTL: number;
    };
}
/**
 * Global cache instance for the MCP server
 */
export declare const globalCache: SimpleCache;
/**
 * Build cache key for resource operations
 */
export declare function resourceCacheKey(operation: string): string;
/**
 * Build cache key for network operations
 */
export declare function networkCacheKey(operation: string, ...args: string[]): string;
/**
 * Build cache key for process operations
 */
export declare function processCacheKey(operation: string, pid?: number): string;
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