code: def visitListContainer(
      self, ctx: OverrideParser.ListContainerContext
  ) -> List[ParsedElementType]:
      ret: List[ParsedElementType] = []
  
      idx = 0
      while True:
          element = ctx.element(idx)
          if element is None:
              break
          else:
              idx = idx + 1
              ret.append(self.visitElement(element))
      return ret
  
imports: import sys
  import warnings
  from typing import Any, Dict, List, Optional, Tuple, Union
  from antlr4 import ParserRuleContext, TerminalNode, Token
  from antlr4.error.ErrorListener import ErrorListener
  from antlr4.tree.Tree import TerminalNodeImpl
  from hydra._internal.grammar.functions import FunctionCall, Functions
  from hydra._internal.grammar.utils import _ESC_QUOTED_STR
  from hydra.core.override_parser.types import ChoiceSweep, Glob, IntervalSweep, Key, Override, OverrideType, ParsedElementType, Quote, QuotedString, RangeSweep, ValueType
  from hydra.errors import HydraException
label_desc: Use image node_id 7 for calling the HydraOverrideVisitor obj's underlying member method code with example usage: obj.visitListContainer(ctx) and returns: ret