class_docstr: Represents a node in a trie managing unordered constraints.
class_docstr_tok: ["Represents","a","node","in","a","trie","managing","unordered","constraints","."]
docstr: Adds a constraint, represented as a list of integers, to
  the trie.
docstr_tok: ["Adds","a","constraint",",","represented","as","a","list","of","integers",",","to","the","trie","."]
code: def add_sequence(self, sequence: List[int]):
      """Adds a constraint, represented as a list of integers, to
      the trie."""
      assert len(sequence) > 0
  
      token = int(sequence[0])
      if token not in self.children:
          self.children[token] = ConstraintNode(token, parent=self)
  
      node = self.children[token]
      if len(sequence) == 1:
          node.terminal += 1
          node.num_constraints += 1
          parent = node.parent
          while parent is not None:
              parent.num_constraints += 1
              parent = parent.parent
      else:
          node.add_sequence(sequence[1:])
  
imports: from collections import Counter
  from typing import List, Optional, Set, Tuple
  import torch
label_desc: Use image node_id 10 for calling the ConstraintNode obj's underlying member method code with example usage: obj.add_sequence(sequence) without return types