Callback (Ably documentation)

All Known Implementing Classes:

Callback.Map, CompletionListener.ToCallback
```
public interface Callback<T>
```
An interface allowing a client to be notified of the outcome of an asynchronous operation.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class Callback.Map<T,U>

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onError(ErrorInfo reason)`	Called when the associated operation completes with an error.
`void`	`onSuccess(T result)`	Called when the associated operation completes successfully,

- Method Detail
  - onSuccess
```
void onSuccess(T result)
```
    Called when the associated operation completes successfully,
  - onError
```
void onError(ErrorInfo reason)
```
    Called when the associated operation completes with an error.
    
    Parameters:
    
    reason - information about the error.