Values.GrantSourceDescribes a grant.
type nonrec t = {grantArn : Arn.t option;Amazon Resource Name (ARN) of the grant.
*)grantName : String_.t option;Grant name.
*)parentArn : Arn.t option;Parent ARN.
*)licenseArn : Arn.t option;License ARN.
*)granteePrincipalArn : Arn.t option;The grantee principal ARN.
*)homeRegion : String_.t option;Home Region of the grant.
*)grantStatus : GrantStatus.t option;Grant status.
*)statusReason : StatusReasonMessage.t option;Grant status reason.
*)version : String_.t option;Grant version.
*)grantedOperations : AllowedOperationList.t option;Granted operations.
*)options : Options.t option;The options specified for the grant.
*)}