proc destroy(this: Body) {....raises: [], tags: [].}

proc destroy(this: World) {....raises: [], tags: [].}

proc newArmature(engine: MyouEngine; name: string = ""; scene: Scene = nil): Armature {.
    ...raises: [], tags: [].}

proc newWorld(scene: Scene): World {....raises: [], tags: [].}

proc recalculate_bone_matrices(this: Armature) {....raises: [], tags: [].}

proc render(this: PlanarProbe; v: Viewport) {....raises: [], tags: [].}