@Override
    public DescribeInstanceTypesResult describeInstanceTypes(DescribeInstanceTypesRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeInstanceTypes(request);
    }
<p>
Describes the specified instance types. By default, all instance types for the current Region are described.
Alternatively, you can filter the results.
</p>

@param describeInstanceTypesRequest
@return Result of the DescribeInstanceTypes operation returned by the service.
@sample AmazonEC2.DescribeInstanceTypes
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DescribeInstanceTypes" target="_top">AWS API
     Documentation</a>
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/AmazonEC2Client.java