def METHOD_NAME(self, outfile=sys.stdout, level=0, namespace_='', name_='FloatTree', namespacedef_=''):
    if self.nexml_tree:
        info = [(n.nexml_edge, n.nexml_node) for n in self.traverse()]
        self.nexml_node.set_root(True)
        self.nexml_tree.set_edge([i[0] for i in info])
        self.nexml_tree.set_node([i[1] for i in info])
        self.nexml_tree.METHOD_NAME(outfile=outfile, level=level, name_=name_, namespacedef_=namespacedef_)