MqttTopicSubscription (Vert.x Stack - Docs 5.0.0.CR3 API)

```
public interface MqttTopicSubscription
```
Represents a subscription to a topic

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`MqttQoS`	`qualityOfService()`
`MqttSubscriptionOption`	`subscriptionOption()`	Subscription option
`String`	`topicName()`

- Method Detail
  - topicName
```
String topicName()
```
    Returns:
    
    Subscription topic name
  - qualityOfService
```
MqttQoS qualityOfService()
```
    Returns:
    
    Quality of Service level for the subscription
  - subscriptionOption
```
MqttSubscriptionOption subscriptionOption()
```
    Subscription option
    
    Returns:
    
    Subscription options