func (c *RESTClient) Put() *Request {
	return c.Verb("PUT")
}
Put begins a PUT request. Short for c.Verb("PUT").
package rest
import (
	"fmt"
	"mime"
	"net/http"
	"net/url"
	"os"
	"strconv"
	"strings"
	"time"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/apimachinery/pkg/types"
	"k8s.io/client-go/util/flowcontrol"
)
const (
	envBackoffBase     = "KUBE_CLIENT_BACKOFF_BASE"
	envBackoffDuration = "KUBE_CLIENT_BACKOFF_DURATION"
)
type Interface interface {
	GetRateLimiter() flowcontrol.RateLimiter
	Verb(verb string) *Request
	Post() *Request
	Put() *Request
	Patch(pt types.PatchType) *Request
	Get() *Request
	Delete() *Request
	APIVersion() schema.GroupVersion
}
type RESTClient struct {
	base *url.URL
	versionedAPIPath string
	contentConfig ContentConfig
	serializers Serializers
	createBackoffMgr func() BackoffManager
	Throttle flowcontrol.RateLimiter
	Client *http.Client
}
type Serializers struct {
	Encoder             runtime.Encoder
	Decoder             runtime.Decoder
	StreamingSerializer runtime.Serializer
	Framer              runtime.Framer
	RenegotiatedDecoder func(contentType string, params map[string]string) (runtime.Decoder, error)
}
func NewRESTClient(baseURL *url.URL, versionedAPIPath string, config ContentConfig, maxQPS float32, maxBurst int, rateLimiter flowcontrol.RateLimiter, client *http.Client) (*RESTClient, error) {
	base := *baseURL
	if !strings.HasSuffix(base.Path, "/") {
		base.Path += "/"
	}
	base.RawQuery = ""
	base.Fragment = ""
	if config.GroupVersion == nil {
		config.GroupVersion = &schema.GroupVersion{}
	}
	if len(config.ContentType) == 0 {
		config.ContentType = "application/json"
	}
	serializers, err := createSerializers(config)
	if err != nil {
		return nil, err
	}
	var throttle flowcontrol.RateLimiter
	if maxQPS > 0 && rateLimiter == nil {
		throttle = flowcontrol.NewTokenBucketRateLimiter(maxQPS, maxBurst)
	} else if rateLimiter != nil {
		throttle = rateLimiter
	}
	return &RESTClient{
		base:             &base,
		versionedAPIPath: versionedAPIPath,
		contentConfig:    config,
		serializers:      *serializers,
		createBackoffMgr: readExpBackoffConfig,
		Throttle:         throttle,
		Client:           client,
	}, nil
}
func (c *RESTClient) GetRateLimiter() flowcontrol.RateLimiter {
	if c == nil {
		return nil
	}
	return c.Throttle
}
func readExpBackoffConfig() BackoffManager {
	backoffBase := os.Getenv(envBackoffBase)
	backoffDuration := os.Getenv(envBackoffDuration)
	backoffBaseInt, errBase := strconv.ParseInt(backoffBase, 10, 64)
	backoffDurationInt, errDuration := strconv.ParseInt(backoffDuration, 10, 64)
	if errBase != nil || errDuration != nil {
		return &NoBackoff{}
	}
	return &URLBackoff{
		Backoff: flowcontrol.NewBackOff(
			time.Duration(backoffBaseInt)*time.Second,
			time.Duration(backoffDurationInt)*time.Second)}
}
func createSerializers(config ContentConfig) (*Serializers, error) {
	mediaTypes := config.NegotiatedSerializer.SupportedMediaTypes()
	contentType := config.ContentType
	mediaType, _, err := mime.ParseMediaType(contentType)
	if err != nil {
		return nil, fmt.Errorf("the content type specified in the client configuration is not recognized: %v", err)
	}
	info, ok := runtime.SerializerInfoForMediaType(mediaTypes, mediaType)
	if !ok {
		if len(contentType) != 0 || len(mediaTypes) == 0 {
			return nil, fmt.Errorf("no serializers registered for %s", contentType)
		}
		info = mediaTypes[0]
	}
	internalGV := schema.GroupVersions{
		{
			Group:   config.GroupVersion.Group,
			Version: runtime.APIVersionInternal,
		},
		{
			Group:   "",
			Version: runtime.APIVersionInternal,
		},
	}
	s := &Serializers{
		Encoder: config.NegotiatedSerializer.EncoderForVersion(info.Serializer, *config.GroupVersion),
		Decoder: config.NegotiatedSerializer.DecoderToVersion(info.Serializer, internalGV),
		RenegotiatedDecoder: func(contentType string, params map[string]string) (runtime.Decoder, error) {
			info, ok := runtime.SerializerInfoForMediaType(mediaTypes, contentType)
			if !ok {
				return nil, fmt.Errorf("serializer for %s not registered", contentType)
			}
			return config.NegotiatedSerializer.DecoderToVersion(info.Serializer, internalGV), nil
		},
	}
	if info.StreamSerializer != nil {
		s.StreamingSerializer = info.StreamSerializer.Serializer
		s.Framer = info.StreamSerializer.Framer
	}
	return s, nil
}
func (c *RESTClient) Verb(verb string) *Request {
	backoff := c.createBackoffMgr()
	if c.Client == nil {
		return NewRequest(nil, verb, c.base, c.versionedAPIPath, c.contentConfig, c.serializers, backoff, c.Throttle, 0)
	}
	return NewRequest(c.Client, verb, c.base, c.versionedAPIPath, c.contentConfig, c.serializers, backoff, c.Throttle, c.Client.Timeout)
}
func (c *RESTClient) Post() *Request {
	return c.Verb("POST")
}