@ReactProp(name = "radius", defaultFloat = VRTSphere.DEFAULT_RADIUS)
    public void setRadius(VRTSphere sphere, float radius) {
        sphere.setRadius(radius);
    }
SphereManager for building a {@link VRTSphere}
corresponding to the ViroSphere.js control.
android/viro_bridge/src/main/java/com/viromedia/bridge/component/node/control/VRTSphereManager.java