/**
 * Debounce utility for performance optimization
 */
export declare function debounce<T extends (...args: any[]) => any>(func: T, wait: number, immediate?: boolean): (...args: Parameters<T>) => void;
/**
 * Throttle utility to limit function execution rate
 */
export declare function throttle<T extends (...args: any[]) => any>(func: T, limit: number): (...args: Parameters<T>) => void;
/**
 * Performance monitoring utilities
 */
export declare function measurePerformance<T>(name: string, fn: () => T): T;
/**
 * Async version of performance measurement
 */
export declare function measureAsyncPerformance<T>(name: string, fn: () => Promise<T>): Promise<T>;