f(B, A /* ERROR "type namedA of A does not match inferred type namedB for T" */)

	// Ensure that all combinations of directional and
	// bidirectional channels with a named directional
	// channel lead to the correct (named) directional
	// channel.
	B = f(a, b)
	B = f(a, B)
	B = f(b, a)
	B = f(B, a)

	B = f(a, b, B)
	B = f(a, B, b)
	B = f(b, B, a)
	B = f(b, a, B)

			return nil // channel elements are not identical.
		}
		if ch.Dir() == types.SendRecv {
			// ch is bidirectional. We can safely always use curr's direction.
			ch = curr
		} else if curr.Dir() != types.SendRecv && ch.Dir() != curr.Dir() {
			// ch and curr are not bidirectional and not the same direction.
			return nil
		}
	}
	return ch
}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test various correct and incorrect permutations of send-only,
// receive-only, and bidirectional channels.
// Does not compile.

package main

var (
	cr <-chan int
	cs chan<- int
	c  chan int
)

func main() {
	cr = c  // ok
	cs = c  // ok

 * limitations under the License.
 */
package mockwebserver3

import okhttp3.ExperimentalOkHttpApi
import okio.BufferedSink
import okio.BufferedSource

/**
 * A bidirectional sequence of data frames exchanged between client and server.
 */
@ExperimentalOkHttpApi
interface Stream {
  val requestBody: BufferedSource
  val responseBody: BufferedSink

  /**

	Dial(protocols ...string) (Connection, string, error)
}

// UpgradeRoundTripper is a type of http.RoundTripper that is able to upgrade
// HTTP requests to support multiplexed bidirectional streams. After RoundTrip()
// is invoked, if the upgrade is successful, clients may retrieve the upgraded
// connection by calling UpgradeRoundTripper.Connection().
type UpgradeRoundTripper interface {
	http.RoundTripper

import java.util.Map;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A bimap (or "bidirectional map") is a map that preserves the uniqueness of its values as well as
 * that of its keys. This constraint enables bimaps to support an "inverse view", which is another

import java.util.Map;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A bimap (or "bidirectional map") is a map that preserves the uniqueness of its values as well as
 * that of its keys. This constraint enables bimaps to support an "inverse view", which is another

	nodebootstraptokenphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/bootstraptoken/node"
)

var (
	bootstrapTokenLongDesc = cmdutil.LongDesc(`
		Bootstrap tokens are used for establishing bidirectional trust between a node joining
		the cluster and a control-plane node.

		This command makes all the configurations required to make bootstrap tokens works
		and then creates an initial token.
		`)

}

// AddTokenFlag adds the --token flag to the given flagset
func (bto *BootstrapTokenOptions) AddTokenFlag(fs *pflag.FlagSet) {
	fs.StringVar(
		&bto.TokenStr, TokenStr, "",
		"The token to use for establishing bidirectional trust between nodes and control-plane nodes. The format is [a-z0-9]{6}\\.[a-z0-9]{16} - e.g. abcdef.0123456789abcdef",
	)
}

// AddTTLFlag adds the --token-ttl flag to the given flagset

		ports       []string
		clientSends map[int32]string
		serverSends map[int32]string
	}{
		"forward 1 port with no data either direction": {
			ports: []string{":5000"},
		},
		"forward 2 ports with bidirectional data": {
			ports: []string{":5001", ":6000"},
			clientSends: map[int32]string{
				5001: "abcd",
				6000: "ghij",
			},
			serverSends: map[int32]string{
				5001: "1234",
				6000: "5678",