Constructs a RefreshingSessionAWSCredentials object.
            The passed-in AmazonSecurityTokenService is used to refresh credentials.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public RefreshingSessionAWSCredentials( string awsAccessKeyId, string awsSecretAccessKey, AmazonSecurityTokenServiceConfig stsConfig )
 Parameters
 Parameters- awsAccessKeyId (String)
- AWS Access Key ID
- awsSecretAccessKey (String)
- AWS Secret Access Key
- stsConfig (AmazonSecurityTokenServiceConfig)
- Config object used for the constructed AmazonSecurityTokenService.