VoiceChannelRetrieveTask (discord4j-voice (3.2.2))

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface VoiceChannelRetrieveTask
```
A supplier to obtain a channel ID.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Mono<Snowflake> onRequest()

- Method Detail
  - onRequest
```
Mono<Snowflake> onRequest()
```