Smaws_Client_DocDB.DescribeDBEngineVersionsReturns a list of the available engines.
val error_to_string : [ Smaws_Lib.Protocols.AwsQuery.error ] -> stringval request :
'http_type Smaws_Lib.Context.t ->
Types.describe_db_engine_versions_message ->
(Types.db_engine_version_message, [> Smaws_Lib.Protocols.AwsQuery.error ])
Stdlib.resultval request_with_metadata :
'http_type Smaws_Lib.Context.t ->
Types.describe_db_engine_versions_message ->
(Types.db_engine_version_message Smaws_Lib.Response.t,
[> Smaws_Lib.Protocols.AwsQuery.error ] * Smaws_Lib.Response.metadata)
Stdlib.result