docs: static <P extends GISPrimitive, N extends AbstractGISTreeSetNode<P, N>>
  		boolean addInside(AbstractGISTreeSet<P, N> tree,
  			N insertionNode,
  			P element,
  			GISTreeSetNodeFactory<P, N> builder) {
  		return addInside(tree, insertionNode, element, builder, true);
  	}