TokenCredential (azure-core-credential 1.0.0-beta.12 API)

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 TokenCredential
```
The interface for credentials that can provide a token.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface TokenCredential.TokenCredentialCallback
The callback type to receive the token retrieval result.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`getToken(TokenRequestContext request, TokenCredential.TokenCredentialCallback callback)`	Asynchronously get a token for a given resource/audience.

- Method Detail
  - getToken
```
void getToken(TokenRequestContext request,
              TokenCredential.TokenCredentialCallback callback)
```
    Asynchronously get a token for a given resource/audience. This method is called automatically by Azure SDK client libraries. You may call this method directly, but you must also handle token caching and token refreshing.
    
    Parameters:
    
    request - the details of the token request
    
    callback - the callback to receive the token retrieval result.