private static async Task Signature(StreamWriter writer, Type type)
{
await writer.WriteLineAsync("```c#");
await writer.WriteAsync(" public");
await writer.WriteAsync(TypeHelper.TypeModifiers(type));
await writer.WriteAsync(" ");
await writer.WriteAsync(TypeHelper.TypeType(type));
await writer.WriteAsync(" ");
await TypeHelper.FullName(writer, type, t => t.Name, "<", ">");
await TypeHelper.BaseClasses(writer, type);
await writer.WriteLineAsync();
await writer.WriteLineAsync("```");
await writer.WriteLineAsync();
}