public async Task <IEnumerable <string> > ObterContatosUsuarioParaRedefinirSenha(string username)
{
string email = await _usuarioRepository.ObterEmailUsuarioPorUsername(username);
if (string.IsNullOrEmpty(email))
{
return(null);
}
string emailMascara = UsuarioHelper.AplicarMascaraEmail(email);
return(new List <string> {
emailMascara
});
}