/// declare module BABYLON { class ArcRotateCamera extends Camera { alpha: number; beta: number; radius: number; target: Vector3; _keys: number[]; keysUp: number[]; keysDown: number[]; keysLeft: number[]; keysRight: number[]; _viewMatrix: Matrix; constructor(name: string, alpha: number, beta: number, radius: number, target: Vector3, scene: Scene); inertialAlphaOffset: number; interialBetaOffset: number; lowerAlphaLimit: number; upperAlphaLimit: number; lowerBetaLimit: number; upperBetaLimit: number; lowerRadiusLimit: number; upperRadiusLimit: number; setPosition(position: Vector3): void; } }