DescribeOptionGroups (smaws-clients.Smaws_Client

val error_to_string : 
  [ Smaws_Lib.Protocols.AwsQuery.error
  | `OptionGroupNotFoundFault of Types.option_group_not_found_fault ] ->
  string

val request : 
  'http_type Smaws_Lib.Context.t ->
  Types.describe_option_groups_message ->
  (Types.option_groups,
    [> Smaws_Lib.Protocols.AwsQuery.error
    | `OptionGroupNotFoundFault of Types.option_group_not_found_fault ])
    Stdlib.result

val request_with_metadata : 
  'http_type Smaws_Lib.Context.t ->
  Types.describe_option_groups_message ->
  (Types.option_groups Smaws_Lib.Response.t,
    [> Smaws_Lib.Protocols.AwsQuery.error
    | `OptionGroupNotFoundFault of Types.option_group_not_found_fault ]
    * Smaws_Lib.Response.metadata)
    Stdlib.result