docs: @Pure
  	public static Rectangle2d getNormalizedNodeBuildingBounds(AbstractGISTreeSetNode<?, ?> node,
  			Rectangle2afp<?, ?, ?, ?, ?, ?> reference) {
  		final Rectangle2d b = getNodeBuildingBounds(node);
  		assert b != null;
  		normalize(b, reference);
  		return b;
  	}