@Override
    public void visitNamedArgument(@NotNull GrNamedArgument namedArgument) {
      PsiElement parent = namedArgument.getParent();
      if (!(parent instanceof GrListOrMap) || !((GrListOrMap)parent).isMap()) return;

      final GrArgumentLabel argumentLabel = namedArgument.getLabel();
      if (argumentLabel == null) return;
      final GrExpression labelExpression = argumentLabel.getExpression();
      if (labelExpression == null) return;
      if (isGStringType(labelExpression)) {
        registerError(argumentLabel);
      }
    }
@Override
    public void visitNamedArgument(@NotNull GrNamedArgument namedArgument)