import { System } from '@lastolivegames/becsy';
import { mat3 } from 'gl-matrix';
export declare class CameraControl extends System {
    private readonly cameras;
    constructor();
    execute(): void;
    private moveCamera;
    private rotateCamera;
    private zoomByClientPoint;
    private getClipSpaceMousePosition;
}
export declare function updateMatrix(x: number, y: number, rotation: number, zoom: number): mat3;