import type { DependencyList, EffectCallback } from 'react';
import type { RefObject } from 'react';
export type ExtendedReactEffect<T = unknown> = (effect: EffectCallback, deps?: DependencyList, ...args: T[]) => void;
export type Noop = () => void;
export type AnyFunc = (...args: any[]) => any;
export type WithThis<T extends AnyFunc> = (this: ThisParameterType<T>, ...args: Parameters<T>) => ReturnType<T>;
export type PureObject<T = any> = Record<PropertyKey, T>;
export type Arrayable<T> = T | T[];
export type Gettable<T> = T | (() => T);
export type Reffable<T> = T | RefObject<T>;
export type Promisable<T> = T | Promise<T>;
export type GettableOrReffable<T> = Gettable<T> | Reffable<T>;
export type WindowEventName = keyof WindowEventMap;
export type PointerType = 'mouse' | 'touch' | 'pen';
export type Position = {
    /**
     * X coordinate
     */
    x: number;
    /**
     * Y coordinate
     */
    y: number;
};
export type Size = {
    /**
     * Width of the element
     */
    width: number;
    /**
     * Height of the element
     */
    height: number;
};
export type SetTimeoutReturn = ReturnType<(typeof globalThis)['setTimeout']>;
export type SetIntervalReturn = ReturnType<(typeof globalThis)['setInterval']>;
export declare const isDev: boolean;
export declare const isClient: boolean;
export declare function noop(): undefined;
export declare function wait(time?: number): Promise<void>;
export declare function now(): number;
export declare function timestamp(): number;
export declare function clamp(n: number, min: number, max: number): number;
export declare function noNullish<T>(val: T | null): val is T;
export declare function isDefined<T = unknown>(val?: T): val is T;
export declare function isFunction<T extends AnyFunc>(val: unknown): val is T;
export declare function isNumber(val: unknown): val is number;
export declare function isBoolean(val: unknown): val is boolean;
export declare function isString(val: unknown): val is string;
export declare function isObject(val: unknown): val is object;
export declare function isReact18OrLater(): boolean;
export declare function hasOwn<T extends object, K extends PropertyKey>(val: T, key: K): boolean;
export declare function ensureSSRSecurity<T, S extends T>(fn: () => T, fallback: S): T;
export interface PromiseWithResolversReturns<T> {
    resolve: (value: T | PromiseLike<T>) => void;
    reject: (reason: unknown) => void;
    promise: Promise<T>;
}
/**
 * TODO: re-write with `Promise.withResolvers`
 *
 * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/withResolvers#browser_compatibility
 */
export declare function createPromiseWithResolvers<T = void>(): PromiseWithResolversReturns<T>;
/**
 * Increase string a value with unit
 *
 * @example '2px' + 1 = '3px'
 * @example '15em' + (-2) = '13em'
 */
export declare function increaseWithUnit<T extends number = number>(target: T, delta: number): T;
export declare function increaseWithUnit<T extends string = string>(target: T, delta: number): T;
export declare function increaseWithUnit<T extends string | number = string | number>(target: T, delta: number): T;
export declare function createSingletonPromise<T>(fn: () => Promise<T>): (() => Promise<T>) & {
    reset: () => Promise<void>;
};