| Name | Type | Package | Detail |
| HandshakeRequest | Class | avro.ipc | Detail |
| HandshakeResponse | Class | avro.ipc | Detail |
| Span | Class | ipc.trace | Detail |
| SpecificExceptionBase | Class | avro.specific | Detail |
| SpecificRecordBase | Class | avro.specific | Detail |
| TimestampedEvent | Class | ipc.trace | Detail |
