/**
  * Constructs a new asynchronous client to invoke service methods on Amazon Elastic Transcoder. A
  * credentials provider chain will be used that searches for credentials in this order:
  *
  * <ul>
  *   <li>Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
  *   <li>Java System Properties - aws.accessKeyId and aws.secretKey
  *   <li>Credential profiles file at the default location (~/.aws/credentials) shared by all AWS
  *       SDKs and the AWS CLI
  *   <li>Instance profile credentials delivered through the Amazon EC2 metadata service
  * </ul>
  *
  * <p>Asynchronous methods are delegated to a fixed-size thread pool containing a number of
  * threads equal to the maximum number of concurrent connections configured via {@code
  * ClientConfiguration.getMaxConnections()}.
  *
  * @param clientConfiguration The client configuration options controlling how this client
  *     connects to Amazon Elastic Transcoder (ex: proxy settings, retry counts, etc).
  * @see com.amazonaws.auth.DefaultAWSCredentialsProviderChain
  * @see java.util.concurrent.Executors#newFixedThreadPool(int)
  */
 public AmazonElasticTranscoderAsyncClient(com.amazonaws.ClientConfiguration clientConfiguration) {
   this(
       com.amazonaws.auth.DefaultAWSCredentialsProviderChain.getInstance(),
       clientConfiguration,
       java.util.concurrent.Executors.newFixedThreadPool(clientConfiguration.getMaxConnections()));
 }
 /**
  * Constructs a new asynchronous client to invoke service methods on Amazon Elastic Transcoder. A
  * credentials provider chain will be used that searches for credentials in this order:
  *
  * <ul>
  *   <li>Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
  *   <li>Java System Properties - aws.accessKeyId and aws.secretKey
  *   <li>Credential profiles file at the default location (~/.aws/credentials) shared by all AWS
  *       SDKs and the AWS CLI
  *   <li>Instance profile credentials delivered through the Amazon EC2 metadata service
  * </ul>
  *
  * <p>Asynchronous methods are delegated to a fixed-size thread pool containing 50 threads (to
  * match the default maximum number of concurrent connections to the service).
  *
  * @see com.amazonaws.auth.DefaultAWSCredentialsProviderChain
  * @see java.util.concurrent.Executors#newFixedThreadPool(int)
  */
 public AmazonElasticTranscoderAsyncClient() {
   this(com.amazonaws.auth.DefaultAWSCredentialsProviderChain.getInstance());
 }