Starting from version 3.1, the S3 Connector contains an S3 multiple buckets sample. If enabled, this adds
S3MultipleBuckets as a third alternative for the S3 content store subsystems.
Review the prerequisites in S3 Connector content store subsystems which introduces
the S3 content store subsystems. The out-of-the-box S3 subsystems have two possible types:
S3 and S3OnPrem.