[Transient] and [Mixin] metadata tagsThere are a couple useful metadata tags that are not particularly well documented in the Flex Livedocs that I have come across recently. [Mixin] The first is the [Mixin] metadata tag, which I saw a while back while reading about the RandomWalk component in the Flex docs for Creating Applications for Testing, but I never quite understood what it did until I came across this post by Adam Flater. So,
