/// <summary>
 /// Constructs AmazonRoute53Client with AWS Credentials and an
 /// AmazonRoute53Client Configuration object.
 /// </summary>
 /// <param name="credentials">AWS Credentials</param>
 /// <param name="clientConfig">The AmazonRoute53Client Configuration Object</param>
 public AmazonRoute53Client(AWSCredentials credentials, AmazonRoute53Config clientConfig)
     : base(credentials, clientConfig, AuthenticationTypes.User | AuthenticationTypes.Session)
 {
 }

 /// <summary>
 /// Create a client for the Amazon Route53 Service with AWSCredentials and an AmazonRoute53 Configuration object.
 /// </summary>
 /// <param name="credentials">AWS Credentials</param>
 /// <param name="config">Configuration options for the service like HTTP Proxy, # of connections, etc</param>
 /// <returns>An Amazon Route53 client</returns>
 /// <remarks>
 /// </remarks>
 public static AmazonRoute53 CreateAmazonRoute53Client(AWSCredentials credentials, AmazonRoute53Config config)
 {
     return new AmazonRoute53Client(credentials, config);
 }

 /// <summary>
 /// Constructs AmazonRoute53Client with the credentials loaded from the application's
 /// default configuration, and if unsuccessful from the Instance Profile service on an EC2 instance.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSProfileName" value="AWS Default"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 ///
 /// </summary>
 /// <param name="config">The AmazonRoute53Client Configuration Object</param>
 public AmazonRoute53Client(AmazonRoute53Config config)
     : base(FallbackCredentialsFactory.GetCredentials(), config) { }

 /// <summary>
 /// Constructs AmazonRoute53Client with the credentials loaded from the application's
 /// default configuration, and if unsuccessful from the Instance Profile service on an EC2 instance.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSAccessKey" value="********************"/&gt;
 ///         &lt;add key="AWSSecretKey" value="****************************************"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 ///
 /// </summary>
 /// <param name="config">The AmazonRoute53 Configuration Object</param>
 public AmazonRoute53Client(AmazonRoute53Config config)
     : base(FallbackCredentialsFactory.GetCredentials(), config, AuthenticationTypes.User | AuthenticationTypes.Session) { }

 /// <summary>
 /// Constructs AmazonRoute53Client with the credentials defined in the App.config.
 /// 
 /// Example App.config with credentials set. 
 /// <code>
 /// &lt;?xml version="1.0" encoding="utf-8" ?&gt;
 /// &lt;configuration&gt;
 ///     &lt;appSettings&gt;
 ///         &lt;add key="AWSAccessKey" value="********************"/&gt;
 ///         &lt;add key="AWSSecretKey" value="****************************************"/&gt;
 ///     &lt;/appSettings&gt;
 /// &lt;/configuration&gt;
 /// </code>
 ///
 /// </summary>
 /// <param name="config">The AmazonRoute53 Configuration Object</param>
 public AmazonRoute53Client(AmazonRoute53Config config)
     : base(new EnvironmentAWSCredentials(), config, true, AuthenticationTypes.User)
 {
 }