class_docstr: Represents a node in a trie managing unordered constraints.
class_docstr_tok: ["Represents","a","node","in","a","trie","managing","unordered","constraints","."]
docstr: The set of child labels.
docstr_tok: ["The","set","of","child","labels","."]
code: def next_tokens(self) -> Set[int]:
      """The set of child labels."""
      return set(self.children.keys())
  
imports: from collections import Counter
  from typing import List, Optional, Set, Tuple
  import torch
label_desc: Use image node_id 5 for calling the ConstraintNode obj's underlying member method code with example usage: obj.next_tokens() and returns: set