Cenário com mais de uma dependencia

public class UserApplication
{
    private IUserRepository userRepository;

    private IUserEmailerService userEmailerService;

    public UserApplication(IUserRepository userRepository, IUserEmailerService userEmailerService)
    {
        this.userRepository = userRepository;
        this.userEmailerService = userEmailerService;
    }

    public bool Authenticate(String login, String pass)
    {
        // Here I use UserRepository Dependency
    }

    public bool ResetPassword(String login, String email)
    { 
        // Here I only use both Dependecies
    }

    public string GetRemeberText(String login, String email)
    {
        // Here I only use UserRepository Dependency
    }
}