class_docstr: Concatenation operation of several grammars. You don't initialize this
  yourself, but it's a result of a "Grammar1 + Grammar2" operation.
class_docstr_tok: ["Concatenation","operation","of","several","grammars",".","You","do","n't","initialize","this","yourself",",","but","it","'s","a","result","of","a","``","Grammar1","+","Grammar2","''","operation","."]
code: def __init__(self, children: list[Node]) -> None:
      self.children = children
  
imports: from __future__ import annotations
  import re
label_desc: Use image node_id 1 to create a new NodeSequence object from inherited base classes: Node with example: obj = NodeSequence(children)