func (h *grpcChannelzHandler) WriteChannelPage(w io.Writer, channel int64) {
	writeHeader(w, fmt.Sprintf("ChannelZ channel %d", channel))
	h.writeChannel(w, channel)
	writeFooter(w)
}
WriteChannelPage writes an HTML document to w containing per-channel RPC stats, including a header and a footer.
package channelz
import (
	"context"
	"fmt"
	"io"
	channelzgrpc "google.golang.org/grpc/channelz/grpc_channelz_v1"
	log "google.golang.org/grpc/grpclog"
)