import "./hotkeys";
import type { Emitter } from "../../core/emitter";
import type { Game } from "../Game";
declare enum MouseButton {
    LEFT = 0,
    WHEEL = 1,
    RIGHT = 2,
    BACK = 3,
    FORWARD = 4
}
export declare type MouseMoveEvent = {
    target: EventTarget | null;
    x: number;
    y: number;
};
export declare type MouseDownEvent = MouseMoveEvent & {
    button: MouseButton;
    ctrlDown: boolean;
    game: Game;
};
export declare type UIEvents = {
    keyDown: (data: {
        key: string;
        ctrlDown: boolean;
        game: Game;
        target: EventTarget | null;
    }) => void;
    keyUp: (data: {
        key: string;
        ctrlDown: boolean;
        game: Game;
    }) => void;
    mouseMove: (data: MouseMoveEvent) => void;
    mouseOut: (data: {
        relatedTarget: EventTarget | null;
    }) => void;
    mouseDown: (data: MouseDownEvent) => void;
    wheel: (data: {
        deltaY: number;
    }) => void;
};
declare class UI {
    constructor();
}
interface UI extends Emitter<UIEvents> {
}
export { UI };