S3ExpressCredentialsProviderHandler (AWS Common Runtime for Java/JVM)

```
public interface S3ExpressCredentialsProviderHandler
```
Interface to override the S3Express Credentials provider.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CompletableFuture<Void>`	`destroyProvider()`	Invoked when the S3 client starts to destroy to clean up related resource.
`CompletableFuture<Credentials>`	`getS3ExpressCredentials(S3ExpressCredentialsProperties properties, Credentials origCredentials)`	To resolve the S3Express Credentials.

- Method Detail
  - getS3ExpressCredentials
```
CompletableFuture<Credentials> getS3ExpressCredentials(S3ExpressCredentialsProperties properties,
                                                       Credentials origCredentials)
```
    To resolve the S3Express Credentials. Invoked when a single request needs to be signed.
    
    Parameters:
    
    properties - The properties needed to derive the S3Express credentials from.
    
    origCredentials - The original Credentials for fetching S3Express credentials.
    
    Returns:
    
    The future to be resolved when the S3 Express credentials are resolved.
  - destroyProvider
```
CompletableFuture<Void> destroyProvider()
```
    Invoked when the S3 client starts to destroy to clean up related resource.
    
    Returns:
    
    The future to be resolved when the resource finishes cleaning up.