code: @Override
      public ModifyVpcEndpointResult modifyVpcEndpoint(ModifyVpcEndpointRequest request) {
          request = beforeClientExecution(request);
          return executeModifyVpcEndpoint(request);
      }
docs: <p>
  Modifies attributes of a specified VPC endpoint. The attributes that you can modify depend on the type of VPC
  endpoint (interface or gateway). For more information, see <a
  href="https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/vpc-endpoints.html">VPC Endpoints</a> in the
  <i>Amazon Virtual Private Cloud User Guide</i>.
  </p>
  
  @param modifyVpcEndpointRequest
  Contains the parameters for ModifyVpcEndpoint.
  @return Result of the ModifyVpcEndpoint operation returned by the service.
  @sample AmazonEC2.ModifyVpcEndpoint
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/ModifyVpcEndpoint" target="_top">AWS API
  Documentation</a>