The Gists API has a rich set of objects it returns.
github3.gists.gist.ShortGist
github3.gists.gist.GistFork
github3.gists.gist.Gist
Gists have files which have two representations:
github3.gists.file.GistFile
github3.gists.file.ShortGistFile
github3.gists.history.GistHistory