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: client.go
    path of file: ./repos/kubeedge/vendor/k8s.io/client-go/scale
    
    the code of the file until where you have to start completion: /*
Copyright 2017 The Kubernetes 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 KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package scale

import (
	"context"
	"fmt"

	autoscaling "k8s.io/api/autoscaling/v1"
	metav1 "k8s.io/apimachi
    
func (c *namespacedScaleClient) Update(ctx context.Context, resource schema.GroupResource, scale *autoscaling.Scale, opts metav1.UpdateOptions) (*autoscaling.Scale, error) {
	path, gvr, err := c.client.pathAndVersionFor(resource)
	if err != nil {
		return nil, fmt.Errorf("unable to get client for %s: %v", resource.String(), err)
	}

	// Currently, a /scale endpoint can receive and return different scale types.
	// Until we have support for the alternative API representations proposal,
	// we need to deal with sending and accepting different API versions.

	// figure out what scale we actually need here
	desiredGVK, err := c.client.scaleKindResolver.ScaleForResource(gvr)
	if err != nil {
		return nil, fmt.Errorf("could not find proper group-version for scale subresource of %s: %v", gvr.String(), err)
	}

	// convert this to whatever this endpoint wants
	scaleUpdate, err := scaleConverter.ConvertToVersion(scale, desiredGVK.GroupVersion())
	if err != nil {
		return nil, fmt.Errorf("could not convert scale update to external Scale: %v", err)
	}
	encoder := scaleConverter.codecs.LegacyCodec(desiredGVK.GroupVersion())
	scaleUpdateBytes, err := runtime.Encode(encoder, scaleUpdate)
	if err != nil {
		return nil, fmt.Errorf("could not encode scale update to external Scale: %v", err)
	}

	result := c.client.clientBase.Put().
		AbsPath(path).
		NamespaceIfScoped(c.namespace, c.namespace != "").
		Resource(gvr.Resource).
		Name(scale.Name).
		SubResource("scale").
		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
		Body(scaleUpdateBytes).
		Do(ctx)
	if err := result.Error(); err != nil {
		// propagate "raw" error from the API
		// this allows callers to interpret underlying Reason field
		// for example: errors.IsConflict(err)
		return nil, err
	}

	return convertToScale(&result)
}