message: Asserted to remove compiler warnings
diff: @@ -75,6 +75,7 @@ public class NavigationStackView extends ViewGroup implements LifecycleEventList
  if (uri != null) {
  mainActivity.getIntent().setData(null);
  DeviceEventManagerModule deviceEventManagerModule = ((ThemedReactContext) getContext()).getNativeModule(DeviceEventManagerModule.class);
  + assert deviceEventManagerModule != null;
  deviceEventManagerModule.emitNewIntentReceived(uri);
  }
  }
  @@ -109,6 +110,7 @@ public class NavigationStackView extends ViewGroup implements LifecycleEventList
  int nextCrumb = currentCrumb + i + 1;
  String key = keys.getString(nextCrumb);
  SceneView scene = scenes.get(key);
  + assert scene != null : "Scene is null";
  int popEnter = getAnimationResourceId(currentActivity, scene.enterAnim, android.R.attr.activityCloseEnterAnimation);
  int popExit = getAnimationResourceId(currentActivity, scene.exitAnim, android.R.attr.activityCloseExitAnimation);
  FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
  @@ -135,6 +137,7 @@ public class NavigationStackView extends ViewGroup implements LifecycleEventList
  int exit = getAnimationResourceId(currentActivity, exitAnim, android.R.attr.activityOpenExitAnimation);
  String key = keys.getString(crumb);
  SceneView scene = scenes.get(key);
  + assert scene != null : "Scene is null";
  int popEnter = getAnimationResourceId(currentActivity, scene.enterAnim, android.R.attr.activityCloseEnterAnimation);
  int popExit = getAnimationResourceId(currentActivity, scene.exitAnim, android.R.attr.activityCloseExitAnimation);
  FragmentManager fragmentManager = fragment.getChildFragmentManager();
  @@ -229,6 +232,7 @@ public class NavigationStackView extends ViewGroup implements LifecycleEventList
  }
  if (keys.size() == 1) {
  SceneView scene = scenes.get(keys.getString(0));
  + assert scene != null : "Scene is null";
  for (int i = 0; i < scene.getChildCount(); i++) {
  if (scene.getChildAt(i) instanceof CoordinatorLayoutView)
  ((CoordinatorLayoutView) scene.getChildAt(i)).scrollToTop();
  