@Nullable
  public PsiBuilder.Marker parseLambdaParameter(PsiBuilder builder, boolean typed) {
    int flags = BasicReferenceParser.ELLIPSIS;
    if (JavaFeature.VAR_LAMBDA_PARAMETER.isSufficient(getLanguageLevel(builder))) flags |= BasicReferenceParser.VAR_TYPE;
    return parseListElement(builder, typed, flags, myJavaElementTypeContainer.PARAMETER);
  }
@Nullable
  public PsiBuilder.Marker parseLambdaParameter(PsiBuilder builder, boolean typed)