ChangeNotifierFactory (Spotify DNS wrapper library 3.3.0 API)

```
public interface ChangeNotifierFactory<T>
```
Creates a ChangeNotifierFactory.RunnableChangeNotifier from a FQDN.
Intended to be used from DnsSrvWatcherFactory when implementing custom triggering schemes for DnsSrvWatchers.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface ChangeNotifierFactory.RunnableChangeNotifier<T>
A ChangeNotifier that that can be executed.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ChangeNotifierFactory.RunnableChangeNotifier<T>`	`create(String fqdn)`	Creates a `ChangeNotifier` that is a `Runnable`.

- Method Detail
  - create
```
ChangeNotifierFactory.RunnableChangeNotifier<T> create(String fqdn)
```
    Creates a ChangeNotifier that is a Runnable. When a check for a change should be executed is up to the caller of this method.
    
    Parameters:
    
    fqdn - The FQDN for the change notifier
    
    Returns:
    
    A runnable change notifier