You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: hetzner_vm.go
    path of file: ./repos/mgmt/engine/resources
    
    the code of the file until where you have to start completion: // Mgmt
// Copyright (C) 2013-2024+ James Shubin and the project contributors
// Written by James Shubin <james@shubin.ca> and the project contributors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later ve
    
func (obj *HetznerVMRes) Init(init *engine.Init) error {

	// save init struct
	obj.init = init

	// initialize hcloud-go client
	obj.client = hcloud.NewClient(
		hcloud.WithToken(obj.APIToken),
		hcloud.WithApplication(obj.init.Program, obj.init.Version),
		// TODO: hcloud.WithEndpoint(),
		// TODO: hcloud.WithDebugWriter(),
	)

	// warn user about AllowRebuild setting
	switch obj.AllowRebuild {
	case HetznerAllowRebuildError:
		obj.init.Logf("warning: server rebuild requests will be blocked with error")
	case HetznerAllowRebuildIgnore:
		obj.init.Logf("warning: server rebuild requests will be skipped without error")
	case HetznerAllowRebuildIfNeeded:
		obj.init.Logf("warning: server rebuild requests will be applied without error")
	}

	// warn user about late serverconfig validation
	obj.init.Logf("warning: serverconfig options will only be validated during checkapply")

	// warn user about timing requirements
	obj.init.Logf("warning: Meta:poll must always be greater or equal than %d seconds", HetznerPollLimit)
	obj.init.Logf("warning: waitinterval must always be greater or equal than %d seconds", HetznerWaitIntervalLimit)

	return nil
}