public static AmazonEC2ClientBuilder builder() {
        return AmazonEC2ClientBuilder.standard();
    }
Constructs a new client to invoke service methods on Amazon EC2 using the specified AWS account credentials
provider, client configuration options, and request metric collector.

<p>
All service calls made using this new client object are blocking, and will not return until the service call
completes.

@param awsCredentialsProvider
       The AWS credentials provider which will provide credentials to authenticate requests with AWS services.
@param clientConfiguration
       The client configuration options controlling how this client connects to Amazon EC2 (ex: proxy settings,
       retry counts, etc.).
@param requestMetricCollector
       optional request metric collector
@deprecated use {@link AmazonEC2ClientBuilder#withCredentials(AWSCredentialsProvider)} and
            {@link AmazonEC2ClientBuilder#withClientConfiguration(ClientConfiguration)} and
            {@link AmazonEC2ClientBuilder#withMetricsCollector(RequestMetricCollector)}
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/AmazonEC2Client.java