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