Values.DbParameterGroupSummarySourceContains a summary of a DB parameter group.
type nonrec t = {id : DbParameterGroupId.t option;A service-generated unique identifier.
*)name : DbParameterGroupName.t option;This customer-supplied name uniquely identifies the parameter group.
*)arn : Arn.t option;The Amazon Resource Name (ARN) of the DB parameter group.
*)description : String_.t option;A description of the DB parameter group.
*)}