Missing files for nightly

dist/preview release/viewer/babylon.module.d.ts

@@ -72891,10 +72891,12 @@ declare module "babylonjs/XR/features/WebXRControllerPhysics" {
          * Get the physics impostor of a specific controller.
          * The impostor is not attached to a mesh because a mesh for each controller is not obligatory
          * @param controller the controller or the controller id of which to get the impostor
+         * @returns the impostor or null
          */
         getImpostorForController(controller: WebXRInputSource | string): Nullable<PhysicsImpostor>;
         /**
          * Get the headset impostor, if enabled
+         * @returns the impostor
          */
         getHeadsetImpostor(): PhysicsImpostor | undefined;
         /**
@@ -142420,10 +142422,12 @@ declare module BABYLON {
          * Get the physics impostor of a specific controller.
          * The impostor is not attached to a mesh because a mesh for each controller is not obligatory
          * @param controller the controller or the controller id of which to get the impostor
+         * @returns the impostor or null
          */
         getImpostorForController(controller: WebXRInputSource | string): Nullable<PhysicsImpostor>;
         /**
          * Get the headset impostor, if enabled
+         * @returns the impostor
          */
         getHeadsetImpostor(): PhysicsImpostor | undefined;
         /**