AsyncToken (TSHPay API)

Type Parameters:

T - The expected data type of the result of the operation
```
public interface AsyncToken<T>
```
Token that manages waiting for an asynchronous operation to finish. All asynchronous operations in this SDK return a token. This token can be used to wait on the calling thread until the operation has finished.

IMPORTANT: Since this waits on the calling thread, this should not be called on the main thread. Otherwise, this will block the main thread.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`AsyncResult<T>`	`waitToComplete()`	This method waits on the calling thread until the operation has finished executing.

- Method Detail
  - waitToComplete
```
AsyncResult<T> waitToComplete()
```
    This method waits on the calling thread until the operation has finished executing. After which, it will return the expected result object of the operation called.
    
    Returns:
    
    AsyncResult the expected result of the operation