HeartbeatSender (AxonServer Connector 2026.0.0 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface HeartbeatSender
```
Functional interface defining a method to send heartbeats with.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<Void>`	`sendHeartbeat()`	Send a heartbeat, receiving a `CompletableFuture` containing the `InstructionAck` once the heartbeat has been received.

- Method Detail
  - sendHeartbeat
```
CompletableFuture<Void> sendHeartbeat()
```
    Send a heartbeat, receiving a CompletableFuture containing the InstructionAck once the heartbeat has been received.
    
    Returns:
    
    a CompletableFuture containing the InstructionAck once the heartbeat has been received