In the following file: https://github.com/microsoft/vs-editor-api/blob/master/src/Editor/Text/Def/TextUI/Editor/ITextViewModelProvider.cs It is written that we need to use the Export attribute like this: ``` [Export(NameSource=typeof(ITextViewModelProvider))] ``` Where is this Export attribute that has a NameSource property?
In the following file:
https://github.com/microsoft/vs-editor-api/blob/master/src/Editor/Text/Def/TextUI/Editor/ITextViewModelProvider.cs
It is written that we need to use the Export attribute like this:
Where is this Export attribute that has a NameSource property?