@Timeout(30)
@Tag("Slow")
open class ConnectionListenerTest {
  @RegisterExtension
  val platform = PlatformRule()

  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()
  private var server: MockWebServer? = null
  private val listener = RecordingConnectionListener()
  private val handshakeCertificates = localhost()

  open val fastFallback: Boolean get() = true

-   [StackOverflow: Ask "how-to" and "why-didn't-it-work" questions](https://stackoverflow.com/questions/ask?tags=guava+java)
-   [guava-discuss: For open-ended questions and discussion](https://groups.google.com/group/guava-discuss)

## IMPORTANT WARNINGS

1. APIs marked with the `@Beta` annotation at the class or method level

    socketAdapters.find { it.matchesSocket(sslSocket) }?.getSelectedProtocol(sslSocket)

  override fun getStackTraceForCloseable(closer: String): Any? {
    return if (Build.VERSION.SDK_INT >= 30) {
      CloseGuard().apply { open(closer) }
    } else {
      super.getStackTraceForCloseable(closer)
    }
  }

  override fun logCloseableLeak(
    message: String,
    stackTrace: Any?,
  ) {
    if (Build.VERSION.SDK_INT >= 30) {

import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import javax.annotation.CheckForNull;

/**
 * An {@link InputStream} that concatenates multiple substreams. At most one stream will be open at
 * a time.
 *
 * @author Chris Nokleberg
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
final class MultiInputStream extends InputStream {

			testdataFile := "testdata/testdata.parquet"
			file, err := os.Open(testdataFile)
			if err != nil {
				t.Fatal(err)
			}

			s3Select, err := NewS3Select(bytes.NewReader(testCase.requestXML))
			if err != nil {
				t.Fatal(err)
			}

			if err = s3Select.Open(file); err != nil {
				t.Fatal(err)
			}

import java.net.Socket
import java.nio.channels.SocketChannel
import javax.net.SocketFactory

class ChannelSocketFactory : SocketFactory() {
  override fun createSocket(): Socket {
    return SocketChannel.open().socket()
  }

  override fun createSocket(
    host: String,
    port: Int,
  ): Socket = TODO("Not yet implemented")

  override fun createSocket(
    host: String,
    port: Int,

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

package okhttp3.internal.cache

import java.io.IOException
import okio.Buffer
import okio.ForwardingSink
import okio.Sink

/** A sink that never throws IOExceptions, even if the underlying sink does. */
internal open class FaultHidingSink(
  delegate: Sink,
  val onException: (IOException) -> Unit,
) : ForwardingSink(delegate) {
  private var hasErrors = false

  override fun write(
    source: Buffer,
    byteCount: Long,

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

    ## Example

    ```python
    from fastapi import BackgroundTasks, FastAPI

    app = FastAPI()


    def write_notification(email: str, message=""):
        with open("log.txt", mode="w") as email_file:
            content = f"notification for {email}: {message}"
            email_file.write(content)


    @app.post("/send-notification/{email}")