ConnectionProvider (Chat SDK v2 - v337)

```
public interface ConnectionProvider
```
A provider to access and control state of the web socket connection with the Zendesk Chat backend.
You can access it as follows:
```
     ConnectionProvider connectionProvider = Chat.INSTANCE.providers().connectionProvider();
 
```
Make sure to initialize Zendesk Chat SDK first before accessing the providers, see Chat.init(Context, String) for more details.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`connect()` Connects to the backend.
`void`	`disconnect()` Disconnects from the backend.
`ConnectionStatus`	`getConnectionStatus()` Gets the current connection status.
`void`	`observeConnectionStatus(ObservationScope observationScope, <any> observer)` Registers an observer to be notified when connection status changes.

- Method Detail
  - connect
```
void connect()
```
    Connects to the backend.
    This method will only attempt to connect if not connecting or connected already and the account key provided is valid.
  - disconnect
```
void disconnect()
```
    Disconnects from the backend.
    While disconnected and push token has been registered, the backend will start sending a push notifications until the session expires.
  - getConnectionStatus
```
ConnectionStatus getConnectionStatus()
```
    Gets the current connection status. ConnectionStatus#DISCONNECTED by default.
  - observeConnectionStatus
```
void observeConnectionStatus(ObservationScope observationScope,
                             <any> observer)
```
    Registers an observer to be notified when connection status changes.
    
    Parameters:
    
    observationScope - the lifespan of the observation
    
    observer - the observer to be notified