Smaws_Client_OpenSearchServerless.ListCollectionGroupsReturns a list of collection groups. For more information, see Creating and managing Amazon OpenSearch Serverless collections.
val error_to_string :
[ Smaws_Lib.Protocols.AwsJson.error
| `InternalServerException of Types.internal_server_exception
| `ValidationException of Types.validation_exception ] ->
stringval request :
'http_type Smaws_Lib.Context.t ->
Types.list_collection_groups_request ->
(Types.list_collection_groups_response,
[> Smaws_Lib.Protocols.AwsJson.error
| `InternalServerException of Types.internal_server_exception
| `ValidationException of Types.validation_exception ])
Stdlib.resultval request_with_metadata :
'http_type Smaws_Lib.Context.t ->
Types.list_collection_groups_request ->
(Types.list_collection_groups_response Smaws_Lib.Response.t,
[> Smaws_Lib.Protocols.AwsJson.error
| `InternalServerException of Types.internal_server_exception
| `ValidationException of Types.validation_exception ]
* Smaws_Lib.Response.metadata)
Stdlib.result