import type { Intersection } from "three";
import { Vector2, Vector3 } from "three";
import type { Emitter } from "../../core/emitter";
import type { Entity } from "../../core/Entity";
import { System } from "../../core/System";
import { ThreeObjectComponent } from "../components/graphics/ThreeObjectComponent";
import type { UI } from "../ui/index";
import type { ThreeGraphics } from "./ThreeGraphics";
export declare enum MouseButton {
    LEFT = 0,
    WHEEL = 1,
    RIGHT = 2,
    BACK = 3,
    FORWARD = 4
}
export declare type MouseEvents = {
    mouseMove: (data: {
        mouse: Mouse;
    }) => void;
    mouseDown: (data: {
        button: MouseButton;
        ctrlDown: boolean;
        mouse: Mouse;
    }) => void;
};
declare class Mouse extends System {
    static components: (typeof ThreeObjectComponent)[];
    readonly pure = true;
    client: Vector2;
    /** Normalized coordinates from (-1 to 1) */
    screen: Vector2;
    ground: Vector3;
    intersections: Intersection[];
    target?: EventTarget;
    entity?: Entity;
    private mouseMoveListener;
    private mouseDownListener;
    private graphics;
    private raycaster;
    private mouseMoved;
    private ui;
    constructor(graphics: ThreeGraphics, ui: UI);
    dispose(): void;
    test(entity: Entity): entity is Entity;
    raycast(): void;
    preRender(): void;
}
interface Mouse extends Emitter<MouseEvents> {
}
export { Mouse };