StateChangedCallback (safeguardjava 2.10.0 API)

```
public interface StateChangedCallback
```
Callback invoked when a connection changes its state

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`stateChanged(ConnectionState oldState, ConnectionState newState)`

void stateChanged(ConnectionState oldState,
                  ConnectionState newState)

Interface StateChangedCallback