</tr>
                                            </thead>
                                            <tbody>
                                            <c:forEach var="data" varStatus="s"
                                                       items="${accessTokenItems}">
                                                <tr

                override fun close() {
                  responseClosed = true
                }
              }.buffer()
          },
        ).build()

    var responseClosed = false
    var canceled = false
    var afterCallbackOnResponse: () -> Unit = {}

    override fun cancel() {
      canceled = true
    }

    override fun enqueue(responseCallback: Callback) {

                                                </tr>
                                                </thead>
                                                <tbody>
                                                <c:forEach var="data" varStatus="s"
                                                           items="${requestHeaderItems}">
                                                    <tr

 */
abstract class Task(
  val name: String,
  val cancelable: Boolean = true,
) {
  // Guarded by the TaskRunner.
  internal var queue: TaskQueue? = null

  /** Undefined unless this is in [TaskQueue.futureTasks]. */
  internal var nextExecuteNanoTime = -1L

  /** Returns the delay in nanoseconds until the next execution, or -1L to not reschedule. */
  abstract fun runOnce(): Long

   * length-in-digits of an encoded integer.
   */
  @Throws(IOException::class)
  private fun writeOrCountBytes(
    sink: BufferedSink?,
    countBytes: Boolean,
  ): Long {
    var sink = sink
    var byteCount = 0L

    var byteCountBuffer: Buffer? = null
    if (countBytes) {
      byteCountBuffer = Buffer()
      sink = byteCountBuffer
    }

    for (p in 0 until parts.size) {

import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class BouncyCastleTest {
  @JvmField @RegisterExtension
  var platform = PlatformRule()

  @JvmField @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()
  var client = clientTestRule.newClient()

  @StartStop
  private val server = MockWebServer()

  @BeforeEach
  fun setUp() {

						<div class="alert alert-info">${msg}</div>
					</la:info>
					<la:errors />
				</div>
				<la:form styleId="login" method="post">
					<div class="input-group mb-3">
						<c:set var="ph_username">
							<la:message key="labels.login.placeholder_username" />
						</c:set>
						<la:text property="username" styleId="username"
							class="form-control" placeholder="${ph_username}" />

import org.openjsse.sun.security.ssl.SSLSocketFactoryImpl
import org.openjsse.sun.security.ssl.SSLSocketImpl

class OpenJSSETest {
  @JvmField @RegisterExtension
  var platform = PlatformRule()

  @JvmField @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  var client = clientTestRule.newClient()

  @StartStop
  private val server = MockWebServer()

  @BeforeEach
  fun setUp() {
    platform.assumeOpenJSSE()

        "supportsTlsExtensions=$supportsTlsExtensions)"
    )
  }

  class Builder {
    internal var tls: Boolean = false
    internal var cipherSuites: Array<String>? = null
    internal var tlsVersions: Array<String>? = null
    internal var supportsTlsExtensions: Boolean = false

    internal constructor(tls: Boolean) {
      this.tls = tls
    }

///

環境変数（**env var**とも呼ばれる）はPythonコードの**外側**、つまり**OS**に存在する変数で、Pythonから読み取ることができます。（他のプログラムでも同様に読み取れます。）

環境変数は、アプリケーションの**設定**の管理や、Pythonの**インストール**などに役立ちます。

## 環境変数の作成と使用

環境変数は**シェル（ターミナル）**内で**作成**して使用でき、それらにPythonは不要です。

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console
// You could create an env var MY_NAME with
$ export MY_NAME="Wade Wilson"