UpdateChannel (smaws-clients.Smaws_Client

val request : 
  Smaws_Lib.Context.t ->
  Types.update_channel_request ->
  (Types.update_channel_response,
    [> Smaws_Lib.Protocols.AwsJson.error
    | `ChannelAlreadyExistsException of Types.channel_already_exists_exception
    | `ChannelARNInvalidException of Types.channel_arn_invalid_exception
    | `ChannelNotFoundException of Types.channel_not_found_exception
    | `EventDataStoreARNInvalidException of
      Types.event_data_store_arn_invalid_exception
    | `EventDataStoreNotFoundException of
      Types.event_data_store_not_found_exception
    | `InactiveEventDataStoreException of
      Types.inactive_event_data_store_exception
    | `InvalidEventDataStoreCategoryException of
      Types.invalid_event_data_store_category_exception
    | `InvalidParameterException of Types.invalid_parameter_exception
    | `OperationNotPermittedException of
      Types.operation_not_permitted_exception
    | `UnsupportedOperationException of Types.unsupported_operation_exception ])
    Stdlib.result