in GenerateToolingFeed/FeedEntryUpdaterFactory.cs [11:22]
public static IFeedEntryUpdater GetFeedEntryUpdater(FeedFormat format, string tag)
{
switch (format)
{
case FeedFormat.V3:
return new V3FormatFeedEntryUpdater();
case FeedFormat.V4:
return new V4FormatFeedEntryUpdater(tag);
default:
throw new InvalidOperationException($"Unidentified feed format '{format}'");
}
}