Imports k8s.io/apimachinery/pkg/types k8s.io/apimachinery/pkg/util/httpstream k8s.io/apimachinery/pkg/util/httpstream/spdy k8s.io/apimachinery/pkg/util/runtime k8s.io/apiserver/pkg/server/httplog k8s.io/apiserver/pkg/util/wsstream k8s.io/klog k8s.io/kubernetes/pkg/apis/core Standard library imports encoding/binary errors fmt io net/http strconv strings sync time