public static List<string> ListarDestinatariosDocumento(string codPesef)
        {
            DbProcedureSettings sp = new DbProcedureSettings();
            sp.ObjectName = "usr_sat_pesef.PKG_PESEF_COMUNIC.LISTAR_INTERESSADOS_DOCUMENTO";
            sp.Parameters.AddInput("p_cod_doc", long.Parse(codPesef), DbDataType.Int64);
            sp.Parameters.AddOutput("p_cursor", typeof(string));
            DbManager.InvokeStoredProcedure(sp);
            List<string> olistar_destinatarios = sp.Parameters.GetValue<List<string>>("p_cursor");
            return olistar_destinatarios;
        }