@Override
    public DescribeInstanceAttributeResult describeInstanceAttribute(DescribeInstanceAttributeRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeInstanceAttribute(request);
    }
<p>
Describes the specified attribute of the specified instance. You can specify only one attribute at a time. Valid
attribute values are: <code>instanceType</code> | <code>kernel</code> | <code>ramdisk</code> |
<code>userData</code> | <code>disableApiTermination</code> | <code>instanceInitiatedShutdownBehavior</code> |
<code>rootDeviceName</code> | <code>blockDeviceMapping</code> | <code>productCodes</code> |
<code>sourceDestCheck</code> | <code>groupSet</code> | <code>ebsOptimized</code> | <code>sriovNetSupport</code>
</p>

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