internal static string GetString(PEModuleSymbol module)
        {
            var builder = new StringBuilder();
            var visitor = new NullableAttributesVisitor(module, builder);

            visitor.Visit(module);
            return(builder.ToString());
        }
        internal static string GetString(Symbol symbol)
        {
            var builder = new StringBuilder();
            var visitor = new NullableAttributesVisitor(builder);

            visitor.Visit(symbol);
            return(builder.ToString());
        }