Constructs AmazonS3Client with AWS Access Key ID, AWS Secret Key and a
            RegionEndpoint object.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public AmazonS3Client( string awsAccessKeyId, string awsSecretAccessKey, RegionEndpoint region )
 Parameters
 Parameters- awsAccessKeyId (String)
- AWS Access Key ID
- awsSecretAccessKey (String)
- AWS Secret Access Key
- region (RegionEndpoint)
- The region to connect to.