Values.EntityReferenceSourceContains information about a principal or resource that can be referenced in a Cedar policy. This data type is used as part of the PolicyFilter structure that is used as a request parameter for the ListPolicies operation..
type nonrec t = {unspecified : Boolean.t option;Used to indicate that a principal or resource is not specified. This can be used to search for policies that are not associated with a specific principal or resource.
*)identifier : EntityIdentifier.t option;The identifier of the entity. It can consist of either an EntityType and EntityId, a principal, or a resource.
*)}val to_value :
t ->
[> `Structure of
(string
* [> `Boolean of Boolean.t
| `Structure of (string * [> `String of EntityType.t ]) list ])
list ]