# Package org.apache.catalina.ha.backend

- Interface Summary
  Interface | Description
  --- | ---
  Sender | Interface to send data to proxies.

- Class Summary
  Class | Description
  --- | ---
  CollectedInfo |
  HeartbeatListener |
  MultiCastSender |
  Proxy |
  TcpSender |

- Enum Summary
  Enum | Description
  --- | ---
  Proxy.State |

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