Julian Verdurmen

And check namespace

For NLog.web etc

Maybe then `IRawRenderable` and `IStringRenderable`? We have already `IRenderable` (Render is more for a method name than a class/interface name IMO)

OK let's do that (the rename). To public will be probably later than 5.0

How would `ILayoutRenderer` would look like? > it is a little sad that IRawValue always forces boxing Agree. I don't know if we could create a new interface (E.g. IRawValueTypeValue)...

It's kinda bad design IMO. Not sure if we could fix this

> Maybe the SequenceID-property should only increment when calling the propery-getter? (Skip on constructor) Sounds good for NLog 5!

Ow yes indeed. Well I guess we can close this one. Long is also nice, but not sure if needed

Hi, there aren't events right now. Also the needed methods aren't `virtual`. So the only option for a work around would be: copy [the class](https://github.com/NLog/NLog/blob/master/src/NLog/Targets/FileTarget.cs) and add it. We do...

@StevenLiekens You can use (limited) layout renderers in footer /header. And I would write my own target wrapper in your case.