@Override
    public ModifyLaunchTemplateResult modifyLaunchTemplate(ModifyLaunchTemplateRequest request) {
        request = beforeClientExecution(request);
        return executeModifyLaunchTemplate(request);
    }
<p>
Modifies a launch template. You can specify which version of the launch template to set as the default version.
When launching an instance, the default version applies when a launch template version is not specified.
</p>

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