private void validateNotFinished() {
		trace("validateNotFinished()");

		if (hasFinished) {
			trace("\talready finished - programming error!");
			throw new AssertException("Called start() on an animator that has already " +
				"finished!  Animator: " + getClass().getSimpleName());
		}
	}
A callback given when this animator has run to completion.  This will be called whether
the animator is stopped prematurely or ends naturally.
Ghidra/Framework/Graph/src/main/java/ghidra/graph/job/AbstractAnimator.java