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
}

 * 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

func _[TP Interface](X TP) {
	i = d // ERROR "missing method m"
	i = D
	i = X
	X = i // ERRORx `cannot use i .* as TP value`
}

// "x is a bidirectional channel value, T is a channel type, x's type V and T have identical element types, and at least one of V or T is not a named type"
// (here a named type is a type with a name)
type (
	_SendChan = chan<- int

import org.gradle.api.Action;
import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

/**
 * A {@code MessagingServer} allows the creation of multiple bi-directional uni-cast connections.
 */
@ServiceScope(Scope.Global.class)
public interface MessagingServer {
    /**
     * Creates an endpoint that peers can connect to. Assigns an arbitrary address.
     *

 */
package org.gradle.internal.remote;

import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

/**
 * A {@code MessagingClient} maintains a single bi-directional uni-cast object connection with some peer.
 */
@ServiceScope(Scope.Global.class)
public interface MessagingClient {
    /**
     * Creates a connection to the given address. Blocks until the connection has been established.

// match. The resulting match will always be either Und or a language with the
// same language and script as the requested language. It will not match
// languages for which there is understood to be mutual or one-directional
// intelligibility.
//
// A Match will indicate an Exact match if the language matches after
// canonicalization and High if the matched tag is a parent.
func NewInheritanceMatcher(t []language.Tag) *InheritanceMatcher {

limitations under the License.
*/

package selectors

import (
	"fmt"
	"strings"
	"sync"

	pkglabels "k8s.io/apimachinery/pkg/labels"
)

// BiMultimap is an efficient, bi-directional mapping of object
// keys. Associations are created by putting keys with a selector.
type BiMultimap struct {
	mux sync.RWMutex

	// Objects.
	labeledObjects   map[Key]*labeledObject