code: def register_new_suffix_tree(self, case_insensitive=False):
          
          suffix_tree = register_new_suffix_tree(case_insensitive=case_insensitive)
          suffix_tree._node_repo = self.node_repo
          suffix_tree._node_child_collection_repo = self.node_child_collection_repo
          suffix_tree._edge_repo = self.edge_repo
          suffix_tree._stringid_collection_repo = self.stringid_collection_repo
          return suffix_tree
docs: Returns a new suffix tree entity.