code: @Override
      public ModifyVpcEndpointServiceConfigurationResult modifyVpcEndpointServiceConfiguration(ModifyVpcEndpointServiceConfigurationRequest request) {
          request = beforeClientExecution(request);
          return executeModifyVpcEndpointServiceConfiguration(request);
      }
docs: <p>
  Modifies the attributes of your VPC endpoint service configuration. You can change the Network Load Balancers for
  your service, and you can specify whether acceptance is required for requests to connect to your endpoint service
  through an interface VPC endpoint.
  </p>
  
  @param modifyVpcEndpointServiceConfigurationRequest
  @return Result of the ModifyVpcEndpointServiceConfiguration operation returned by the service.
  @sample AmazonEC2.ModifyVpcEndpointServiceConfiguration
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/ModifyVpcEndpointServiceConfiguration"
  target="_top">AWS API Documentation</a>