| MessageBuffer | Represents a collection of MessageQueue instances which are all bound by the same memory buffer to fix the amount of RAM used to some uppper bound. | code | html |
| MessageQueue | Allows messages to be added to the end of the buffer such that they are kept around and evicted in a FIFO manner. | code | html |
| OrderBasedMessageBuffer | A MessageBuffer which evicts messages in arrival order so the oldest messages are removed first. | code | html |
| SizeBasedMessageBuffer | A MessageBuffer which evicts from the largest buffers first. | code | html |