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: descriptor.go
    path of file: ./repos/devspace/vendor/github.com/google/go-containerregistry/pkg/v1/remote
    
    the code of the file until where you have to start completion: // Copyright 2018 Google LLC All Rights Reserved.
//
// 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 remote

import (
	"bytes"
	"context"
	"fmt"
	"io"
	"net/http"
	"net/url"
	"strings"

	"github.com/google/go-containerregistry/internal/redact"
	"github.com/google/go-containerregistry/internal/verify"
	"github.com/google/go-containerregistry/pkg/logs"
	"github.com/google/go-containerregistry/pkg/name"
	v1 "github.com/google/go-containerregistry/pkg/v1"
	"g
    
func (d *Descriptor) Image() (v1.Image, error) {
	switch d.MediaType {
	case types.DockerManifestSchema1, types.DockerManifestSchema1Signed:
		// We don't care to support schema 1 images:
		// https://github.com/google/go-containerregistry/issues/377
		return nil, newErrSchema1(d.MediaType)
	case types.OCIImageIndex, types.DockerManifestList:
		// We want an image but the registry has an index, resolve it to an image.
		return d.remoteIndex().imageByPlatform(d.platform)
	case types.OCIManifestSchema1, types.DockerManifestSchema2:
		// These are expected. Enumerated here to allow a default case.
	default:
		// We could just return an error here, but some registries (e.g. static
		// registries) don't set the Content-Type headers correctly, so instead...
		logs.Warn.Printf("Unexpected media type for Image(): %s", d.MediaType)
	}

	// Wrap the v1.Layers returned by this v1.Image in a hint for downstream
	// remote.Write calls to facilitate cross-repo "mounting".
	imgCore, err := partial.CompressedToImage(d.remoteImage())
	if err != nil {
		return nil, err
	}
	return &mountableImage{
		Image:     imgCore,
		Reference: d.Ref,
	}, nil
}