DescribeMaintenanceWindows (smaws-clients.Smaws_Client

val error_to_string : 
  [ Smaws_Lib.Protocols.AwsJson.error
  | `InternalServerError of Types.internal_server_error ] ->
  string

val request : 
  'http_type Smaws_Lib.Context.t ->
  Types.describe_maintenance_windows_request ->
  (Types.describe_maintenance_windows_result,
    [> Smaws_Lib.Protocols.AwsJson.error
    | `InternalServerError of Types.internal_server_error ])
    Stdlib.result