Subscription (Support SDK - v509)

All Known Implementing Classes:

CombinedSubscription
```
public interface Subscription
```
A Subscription gets returned after registering a Listener to the Store.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`addListener()` Subscribe the associated listener to the `Store`
`void`	`informWithCurrentState()` Trigger an update of the associated `Listener` with the recent `State`.
`void`	`removeListener()` Unsubscribe the associated listener from the `Store`

- Method Detail
  - removeListener
```
void removeListener()
```
    Unsubscribe the associated listener from the Store
  - addListener
```
void addListener()
```
    Subscribe the associated listener to the Store
    Can be called after Subscription.removeListener()
  - informWithCurrentState
```
void informWithCurrentState()
```
    Trigger an update of the associated Listener with the recent State.