/**
 * Common utilities
 * @description 通用工具函数库，严格类型化
 */
export declare const generateId: (prefix?: string) => string;
/**
 * 函数类型定义
 */
type AnyFunction = (...args: unknown[]) => unknown;
/**
 * 可取消函数类型
 */
interface CancelableFunction<T extends AnyFunction> {
    (...args: Parameters<T>): ReturnType<T>;
    cancel: () => void;
}
/**
 * 防抖函数
 */
export declare const debounce: <T extends AnyFunction>(fn: T, delay: number) => CancelableFunction<T>;
/**
 * 节流函数
 */
export declare const throttle: <T extends AnyFunction>(fn: T, delay: number) => CancelableFunction<T>;
/**
 * 深拷贝
 */
export declare const deepClone: <T>(obj: T, cache?: WeakMap<object, unknown>) => T;
/**
 * 深度合并对象
 */
export declare const deepMerge: <T extends Record<string, unknown>>(target: T, ...sources: Partial<T>[]) => T;
/**
 * 将值转换为数组
 */
export declare const toArray: <T>(val: T | T[]) => T[];
/**
 * 首字母大写
 */
export declare const capitalize: (str: string) => string;
/**
 * 转换为 kebab-case
 */
export declare const kebabCase: (str: string) => string;
/**
 * 转换为 camelCase
 */
export declare const camelCase: (str: string) => string;
/**
 * 休眠函数
 */
export declare const sleep: (ms: number) => Promise<void>;
/**
 * 访问对象嵌套路径的值
 */
export declare const get: <T = unknown>(obj: Record<string, unknown>, path: string, defaultValue?: T) => T;
/**
 * 设置对象嵌套路径的值
 */
export declare const set: <T extends Record<string, unknown>>(obj: T, path: string, value: unknown) => T;
/**
 * 异步函数重试
 */
export declare const retry: <T>(fn: () => Promise<T>, retries?: number, delay?: number) => Promise<T>;
export {};