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: balancer.go
    path of file: ./repos/corteza/server/vendor/google.golang.org/grpc/balancer
    
    the code of the file until where you have to start completion: /*
 *
 * Copyright 2017 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KI
    
func Get(name string) Builder {
	if strings.ToLower(name) != name {
		// TODO: Skip the use of strings.ToLower() to index the map after v1.59
		// is released to switch to case sensitive balancer registry. Also,
		// remove this warning and update the docstrings for Register and Get.
		logger.Warningf("Balancer retrieved for name %q. grpc-go will be switching to case sensitive balancer registries soon", name)
	}
	if b, ok := m[strings.ToLower(name)]; ok {
		return b
	}
	return nil
}