A node class usable with instanceof — the argument shape of
Scene.findByType (§46).
abstract new so abstract bases (Node itself, and later Camera) can be
passed; never parameters so the type accepts any node class without
inviting anyone to construct one from it.
A node class usable with
instanceof— the argument shape ofScene.findByType(§46).abstract newso abstract bases (Nodeitself, and laterCamera) can be passed;neverparameters so the type accepts any node class without inviting anyone to construct one from it.