code: public final BoundingVolume expandBoundingVolume(
              final float centerX, final float centerY, final float centerZ, final float radius) {
          return new BoundingVolume(
                  NativeSceneObject.expandBoundingVolumeByCenterAndRadius(
                          getNative(), centerX, centerY, centerZ, radius));
      }
docs: Expand the volume by the incoming center and radius
  @param centerX   X coordinate of center.
  @param centerY   Y coordinate of center.
  @param centerZ   Z coordinate of center.
  @param radius    radius to expand by.
  @return the updated BoundingVolume.