Defining Services with Front-Facing API's

export class Users extends Context.Tag("Users")<
  Users,
  {
    findById(id: Id<User>): Effect.Effect<Identified<User>, User.NotFound>;
  }
>() {
  static Test = Layer.effect(Users, ReferenceUsers.make);

  static findById = Effect.serviceFunctionEffect(Users, (_) => _.findById);
}