class_docstr: Represents a node in a trie managing unordered constraints.
class_docstr_tok: ["Represents","a","node","in","a","trie","managing","unordered","constraints","."]
code: def __str__(self):
      term = self.terminal != 0
      return f"[{self.token}].{term}#{self.num_constraints}"
  
imports: from collections import Counter
  from typing import List, Optional, Set, Tuple
  import torch
label_desc: Use image node_id 3 for calling the ConstraintNode obj's underlying member method code with example usage: obj.__str__() and returns: str, self, str, term, str, self