### withTopic(topic): [MqttTopicManager](#mqtttopicmanager)
Add a new topic to the list.
| Parameter | Type | Description |
| --------------- | -------- | -------- |
| topic | [Topic](#topic) | |
### withTopics(topics): [MqttTopicManager](#mqtttopicmanager)
Add a collection of topics to the list.
| Parameter | Type | Description |
| --------------- | -------- | -------- |
| topics | [Topic[]](#topic) | |
### unsubscribe(): void
Unsubscribe from the given topics.
If no topics were provided, the function will unsubscribe from every subscribed topic.