code: @Override
      public ModifyVpcAttributeResult modifyVpcAttribute(ModifyVpcAttributeRequest request) {
          request = beforeClientExecution(request);
          return executeModifyVpcAttribute(request);
      }
docs: <p>
  Modifies the specified attribute of the specified VPC.
  </p>
  
  @param modifyVpcAttributeRequest
  @return Result of the ModifyVpcAttribute operation returned by the service.
  @sample AmazonEC2.ModifyVpcAttribute
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/ModifyVpcAttribute" target="_top">AWS API
  Documentation</a>