export declare class Sensor { fovInRad: number; focalLengthInPx: number; cx: number; cy: number; aspectRatio: number; private _sensorWidthInPx; private _sensorHeightInPx; constructor(focalLengthInPx: number, sensorWidthInPx: number, sensorHeightInPx: number); equals(otherSensor: Sensor): boolean; }