| Interface | Description | 
|---|---|
| LegacyCollector | 
 Manages config and client for the collector, as well as runs the collector for the associated entity and flow 
 | 
| Class | Description | 
|---|---|
| DiskQueue<E extends java.io.Serializable> | 
 A queue that writes extra elements to disk, and reads them in as needed. 
 |