$ adb logcat '*:E' 'okhttp.Http2:D' 'okhttp.TaskRunner:D'
```

### HTTP/2 Frame Logging

This logs inbound (`<<`) and outbound (`>>`) frames for HTTP/2 connections.

```
[2020-01-01 00:00:00] >> CONNECTION 505249202a20485454502f322e300d0a0d0a534d0d0a0d0a
[2020-01-01 00:00:00] >> 0x00000000     6 SETTINGS
[2020-01-01 00:00:00] >> 0x00000000     4 WINDOW_UPDATE

import okhttp3.Cache
import okhttp3.Headers
import okhttp3.Interceptor
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.internal.closeQuietly
import okhttp3.internal.connection.RealCall
import okhttp3.internal.discard
import okhttp3.internal.http.ExchangeCodec
import okhttp3.internal.http.HttpMethod
import okhttp3.internal.http.RealResponseBody
import okhttp3.internal.http.promisesBody

	logger.FatalIf(serverVerifyHandler.Register(gm, server.VerifyHandler), "unable to register handler")
}

// client to talk to bootstrap NEndpoints.
type bootstrapRESTClient struct {
	gridConn *grid.Connection
}

// Verify function verifies the server config.
func (client *bootstrapRESTClient) Verify(ctx context.Context, srcCfg *ServerSystemConfig) (err error) {
	if newObjectLayerFn() != nil {
		return nil
	}

import java.net.InetAddress
import java.net.Socket
import java.util.concurrent.CountDownLatch
import javax.net.ssl.SSLSocket
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.internal.connection.BufferedSocket
import okhttp3.internal.platform.Platform
import okio.BufferedSink
import okio.BufferedSource
import okio.ForwardingSink
import okio.ForwardingSource
import okio.asOkioSocket
import okio.buffer

    val request2 = Request.Builder().url(server.url("/")).build()
    val response2 = client.newCall(request2).execute()
    assertThat(response2.body.string()).isEqualTo("def")

    // The HTTP calls should share a single connection.
    assertThat(socksProxy.connectionCount()).isEqualTo(1)
  }

  @Test
  fun proxySelector() {
    server.enqueue(MockResponse.Builder().body("abc").build())
    val proxySelector: ProxySelector =

///

/// info | Информация

Чтобы объявить заголовки, важно использовать `Header`, иначе параметры интерпретируются как query-параметры.

///

## Автоматическое преобразование { #automatic-conversion }

`Header` обладает небольшой дополнительной функциональностью в дополнение к тому, что предоставляют `Path`, `Query` и `Cookie`.

        }
      }
      delegate!!.enabledCipherSuites = enabledCipherSuites.toTypedArray<String>()
    }
  }

  companion object {
    /**
     * The cipher suite used during TLS connection fallback to indicate a fallback. See
     * https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-00
     */
    const val TLS_FALLBACK_SCSV = "TLS_FALLBACK_SCSV"
  }

 */
class Handshake internal constructor(
  /**
   * Returns the TLS version used for this connection. This value wasn't tracked prior to OkHttp
   * 3.0. For responses cached by preceding versions this returns [TlsVersion.SSL_3_0].
   */
  @get:JvmName("tlsVersion") val tlsVersion: TlsVersion,
  /** Returns the cipher suite used for the connection. */
  @get:JvmName("cipherSuite") val cipherSuite: CipherSuite,

import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.Headers.Companion.headersOf
import okhttp3.internal.DoubleInetAddressDns
import okhttp3.internal.connection.RealConnectionPool.Companion.get
import okhttp3.testing.Flaky
import okhttp3.testing.PlatformRule
import okhttp3.tls.internal.TlsUtil.localhost
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag

import assertk.assertions.containsExactly
import java.util.concurrent.AbstractExecutorService
import java.util.concurrent.RejectedExecutionException
import java.util.concurrent.TimeUnit
import okhttp3.internal.connection.RealCall
import okhttp3.internal.finishedAccessor

/**
 * A fake executor for testing that never executes anything! Instead, it just keeps track of what's
 * been enqueued.
 */
internal class RecordingExecutor(