@Nullable
  private Ref<PyExpression> getKeyValueFromArguments(@NotNull PyArgumentList argumentList) {
    final PyKeywordArgument valueFromKeywordArg = argumentList.getKeywordArgument(myChunk.getMappingKey());
    final List<PyStarArgument> keywordStarArgs = getStarArguments(argumentList, true);

    Ref<PyExpression> valueExprRef = null;
    if (valueFromKeywordArg != null) {
      valueExprRef = Ref.create(valueFromKeywordArg.getValueExpression());
    }
    else if (!keywordStarArgs.isEmpty()){
      for (PyStarArgument arg : keywordStarArgs) {
        final Ref<PyExpression> resolvedRef = resolveKeywordStarExpression(arg);
        if (resolvedRef != null && (valueExprRef == null || valueExprRef.get() == null)) {
          valueExprRef = resolvedRef;
        }
      }
      if (valueExprRef == null) {
        valueExprRef = Ref.create(Iterables.getFirst(keywordStarArgs, null));
      }
    }
    return valueExprRef;
  }
@Nullable
  private Ref<PyExpression> getKeyValueFromArguments(@NotNull PyArgumentList argumentList)