export * from './array';
export * from './color';
export * from './device';
export * from './image-data';
export * from './sortable';
export * from './asserts';
export * from './text';
export * from './promise-util';
export * from './logger';
export type Immutable<O> = O extends Record<any, any> ? {
    readonly [key in keyof O]: Immutable<O[key]>;
} : O extends Array<infer X> ? ReadonlyArray<X> : O;
export type PickEnum<T, K extends T> = {
    [P in keyof K]: P extends K ? P : never;
};
export interface Constructor<T = unknown> {
    new (...args: any[]): T;
}
export type Nullable<T> = T | null;
export declare enum DestroyOptions {
    destroy = 0,
    keep = 1,
    force = 0
}
/**
 *
 */
export interface Disposable {
    dispose(): void;
}
export interface RestoreHandler {
    restore(): void;
}
export interface LostHandler {
    lost(e: Event): void;
}
export declare function noop(): void;
/**
 * 判断对象是否是`String`类型
 *
 * @static
 * @function isString
 * @param obj - 要判断的对象
 * @return
 */
export declare function isString(obj: unknown): obj is string;
/**
 * 判断对象是否是`Array`类型
 *
 * @static
 * @function isArray
 * @param obj - 要判断的对象
 * @return
 */
export declare const isArray: (arg: any) => arg is any[];
/**
 * 判断对象是否是函数类型
 *
 * @static
 * @function isFunction
 * @param obj - 要判断的对象
 * @return
 */
export declare function isFunction(obj: unknown): obj is Function;
/**
 * 判断对象是否是`Object`类型
 *
 * @static
 * @function isObject
 * @param obj - 要判断的对象
 * @return
 */
export declare function isObject(obj: unknown): obj is Record<string | symbol, unknown>;
/**
 * 判断对象是否是`Plain Object`类型
 *
 * @param obj - 要判断的对象
 * @returns
 */
export declare function isPlainObject(obj: unknown): obj is Record<string | symbol, unknown>;
export declare function isCanvas(canvas: HTMLCanvasElement): boolean;
export declare function isPowerOfTwo(value: number): boolean;
/**
 * 生成一个位于 min 和 max 之间的随机数
 * @param min
 * @param max
 * @returns
 */
export declare function randomInRange(min: number, max: number): number;
export declare function throwDestroyedError(): void;
export declare function generateGUID(): string;
export declare function base64ToFile(base64: string, filename?: string, contentType?: string): File;
export declare function applyMixins<T extends Constructor, K extends Constructor>(derivedCtrl: T, baseCtrls: K[]): void;