GithubCommitModelMirrorRefPath typedef
GithubCommitModelMirrorRefPath = _$GithubCommitModelMirrorRefPath
It can be defined as an empty ModelRef<GithubCommitModel>.
GithubCommitModelMirrorRefPath("xxx") // Define as a path.
Implementation
typedef GithubCommitModelMirrorRefPath = _$GithubCommitModelMirrorRefPath;