/**
 * This is the base class for components that can be added to a `SceneNode`.
 */ export abstract class SceneNodeComponent { see type protected _type : string ; constructor ( type ) { this . _type = type ; } /**
     * The name of this type of component. This can be used by `SceneNode` to filter specific component types.
     */ get type ( ) : string { return this . _type ; } }