for example, when using linkind undirected + collapsible tree no root node seems to be found and therefore no "treeification" can be done. however in such a case any node could be picked as a root node, maybe employing some lexical sorting to allow for reproducability in unit tests.
for example, when using linkind undirected + collapsible tree no root node seems to be found and therefore no "treeification" can be done. however in such a case any node could be picked as a root node, maybe employing some lexical sorting to allow for reproducability in unit tests.