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: generated.pb.go
    path of file: ./repos/gardener/pkg/apis/core/v1beta1
    
    the code of the file until where you have to start completion: // SPDX-FileCopyrightText: SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: github.com/gardener/gardener/pkg/apis/core/v1beta1/generated.proto

package v1beta1

import (
	encoding_binary "enco
    
func (m *Monitoring) MarshalToSizedBuffer(dAtA []byte) (int, error) {
	i := len(dAtA)
	_ = i
	var l int
	_ = l
	if m.Alerting != nil {
		{
			size, err := m.Alerting.MarshalToSizedBuffer(dAtA[:i])
			if err != nil {
				return 0, err
			}
			i -= size
			i = encodeVarintGenerated(dAtA, i, uint64(size))
		}
		i--
		dAtA[i] = 0xa
	}
	return len(dAtA) - i, nil
}