code: @Override
      public CreateNetworkAclResult createNetworkAcl(CreateNetworkAclRequest request) {
          request = beforeClientExecution(request);
          return executeCreateNetworkAcl(request);
      }
docs: <p>
  Creates a network ACL in a VPC. Network ACLs provide an optional layer of security (in addition to security
  groups) for the instances in your VPC.
  </p>
  <p>
  For more information, see <a href="https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_ACLs.html">Network
  ACLs</a> in the <i>Amazon Virtual Private Cloud User Guide</i>.
  </p>
  
  @param createNetworkAclRequest
  @return Result of the CreateNetworkAcl operation returned by the service.
  @sample AmazonEC2.CreateNetworkAcl
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/CreateNetworkAcl" target="_top">AWS API
  Documentation</a>