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: sendtodevice.go
    path of file: ./repos/dendrite/federationapi/consumers
    
    the code of the file until where you have to start completion: // Copyright 2022 The Matrix.org Foundation C.I.C.
//
// 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 KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package consumers

import (
	"context"
	"encoding/json"

	"github.com/getsentry/sentry-go"
	"github.com/matrix-org/gomatrixserverlib"
	"github.com/matrix-org/gomatrixserverlib/spec"
	"github.com/matrix-org/util"
	"github.com/nats-io/nats.go"
	log "github.com/sirupsen/logrus"

	"github.com/matrix-org/dendrite/federationapi/queue"
	"github.com/matrix-org/dendrite/federationapi/storage"
	"github.com/matrix-org/dendrite/setup/config"
	"github.com/matrix-org/dendrite/setup/jetstream"
	"g
    
func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
	msg := msgs[0] // Guaranteed to exist if onMessage is called
	// only send send-to-device events which originated from us
	sender := msg.Header.Get("sender")
	_, originServerName, err := gomatrixserverlib.SplitID('@', sender)
	if err != nil {
		sentry.CaptureException(err)
		log.WithError(err).WithField("user_id", sender).Error("Failed to extract domain from send-to-device sender")
		return true
	}
	if !t.isLocalServerName(originServerName) {
		return true
	}
	// Extract the send-to-device event from msg.
	var ote syncTypes.OutputSendToDeviceEvent
	if err = json.Unmarshal(msg.Data, &ote); err != nil {
		sentry.CaptureException(err)
		log.WithError(err).Errorf("output log: message parse failed (expected send-to-device)")
		return true
	}

	_, destServerName, err := gomatrixserverlib.SplitID('@', ote.UserID)
	if err != nil {
		sentry.CaptureException(err)
		log.WithError(err).WithField("user_id", ote.UserID).Error("Failed to extract domain from send-to-device destination")
		return true
	}

	// The SyncAPI is already handling sendToDevice for the local server
	if t.isLocalServerName(destServerName) {
		return true
	}

	// Pack the EDU and marshal it
	edu := &gomatrixserverlib.EDU{
		Type:   spec.MDirectToDevice,
		Origin: string(originServerName),
	}
	tdm := gomatrixserverlib.ToDeviceMessage{
		Sender:    ote.Sender,
		Type:      ote.Type,
		MessageID: util.RandomString(32),
		Messages: map[string]map[string]json.RawMessage{
			ote.UserID: {
				ote.DeviceID: ote.Content,
			},
		},
	}
	if edu.Content, err = json.Marshal(tdm); err != nil {
		sentry.CaptureException(err)
		log.WithError(err).Error("failed to marshal EDU JSON")
		return true
	}

	log.Debugf("Sending send-to-device message into %q destination queue", destServerName)
	if err := t.queues.SendEDU(edu, originServerName, []spec.ServerName{destServerName}); err != nil {
		log.WithError(err).Error("failed to send EDU")
		return false
	}

	return true
}