| AuditLogHandler | Handles queue actions for AuditLogs |
| BaseHandler | Base Queue handler object. QueueHandler children define a `handle` method to accept the queued object. |
| ConnectorHandler | Handles messages for gryphon connector. Using config will post updates/deletions of connected items to specified endpoint. |
| KeywordExtractHandler | Handles queue actions for KeywordExtract |
| MessageHandler | Handles queue actions for mail messages |
| VideoTranscoderHandler | Handles queue actions for VideoTranscoder |