Smaws_Client_DirectoryService.DeregisterEventTopicRemoves the specified directory as a publisher to the specified Amazon SNS topic.
val error_to_string :
[ Smaws_Lib.Protocols.AwsJson.error
| `ClientException of Types.client_exception
| `EntityDoesNotExistException of Types.entity_does_not_exist_exception
| `InvalidParameterException of Types.invalid_parameter_exception
| `ServiceException of Types.service_exception ] ->
stringval request :
'http_type Smaws_Lib.Context.t ->
Types.deregister_event_topic_request ->
(Types.deregister_event_topic_result,
[> Smaws_Lib.Protocols.AwsJson.error
| `ClientException of Types.client_exception
| `EntityDoesNotExistException of Types.entity_does_not_exist_exception
| `InvalidParameterException of Types.invalid_parameter_exception
| `ServiceException of Types.service_exception ])
Stdlib.result