import { Point } from "./Point";
import { Matrix3D } from "./Matrix3D";
export declare class PerspectiveProjection extends Object {
    constructor();
    private ctor;
    get fieldOfView(): number;
    set fieldOfView(param1: number);
    get projectionCenter(): Point;
    set projectionCenter(param1: Point);
    get focalLength(): number;
    set focalLength(param1: number);
    toMatrix3D(): Matrix3D;
}