if (minFreshSeconds != -1) append("min-fresh=").append(minFreshSeconds).append(", ")
        if (onlyIfCached) append("only-if-cached, ")
        if (noTransform) append("no-transform, ")
        if (immutable) append("immutable, ")
        if (isEmpty()) return ""
        deleteRange(length - 2, length)
      }
    headerValue = result
  }
  return result
}

import okio.FileSystem
import okio.Path
import okio.Path.Companion.toPath
import okio.buffer
import okio.gzip

/**
 * Downloads the public suffix list from https://publicsuffix.org/list/public_suffix_list.dat and
 * transforms the file into an efficient format used by OkHttp.
 *
 *
 * The intent is to use this class to update the list periodically by manually running the main
 * method. This should be run from the top-level okhttp directory.
 *

   * and response body streams; otherwise resources may be leaked.
   *
   * This method is safe to be called concurrently, but provides limited guarantees. If a transport
   * layer connection has been established (such as a HTTP/2 stream) that is terminated. Otherwise
   * if a socket connection is being established, that is terminated.
   */
  override fun cancel() {

        .maxAge(1.seconds)
        .maxStale(2.seconds)
        .minFresh(3.seconds)
        .onlyIfCached()
        .noTransform()
        .immutable()
        .build()
    assertThat(cacheControl.toString()).isEqualTo(
      "no-cache, no-store, max-age=1, max-stale=2, min-fresh=3, only-if-cached, no-transform, immutable",
    )
    assertThat(cacheControl.noCache).isTrue()
    assertThat(cacheControl.noStore).isTrue()

      .assertLogEqual("<-- END HTTP")
      .assertNoMoreLogs()
    networkLogs
      .assertLogEqual("--> POST $url http/1.1")
      .assertLogEqual("Content-Type: text/plain; charset=utf-8")
      .assertLogEqual("Transfer-Encoding: chunked")
      .assertLogEqual("Host: $host")
      .assertLogEqual("Connection: Keep-Alive")
      .assertLogEqual("Accept-Encoding: gzip")
      .assertLogMatch(Regex("""User-Agent: okhttp/.+"""))

    level = DeprecationLevel.ERROR,
  )
  fun onlyIfCached(): Boolean = onlyIfCached

  @JvmName("-deprecated_noTransform")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noTransform"),
    level = DeprecationLevel.ERROR,
  )
  fun noTransform(): Boolean = noTransform

  @JvmName("-deprecated_immutable")
  @Deprecated(
    message = "moved to val",

        !"Proxy-Authorization".equals(fieldName, ignoreCase = true) &&
        !"TE".equals(fieldName, ignoreCase = true) &&
        !"Trailers".equals(fieldName, ignoreCase = true) &&
        !"Transfer-Encoding".equals(fieldName, ignoreCase = true) &&
        !"Upgrade".equals(fieldName, ignoreCase = true)
    }

    /**
     * Returns true if [fieldName] is content specific and therefore should always be used

import okhttp3.internal.http2.Http2.frameLog
import okhttp3.internal.http2.Http2.frameLogWindowUpdate
import okhttp3.internal.writeMedium
import okio.Buffer
import okio.BufferedSink

/** Writes HTTP/2 transport frames. */
@Suppress("NAME_SHADOWING")
class Http2Writer(
  private val sink: BufferedSink,
  private val client: Boolean,
) : Closeable {
  internal val lock: ReentrantLock = ReentrantLock()

        val toSink = toSocket.sink().buffer()
        openSockets.add(toSocket)
        transfer(fromAddress, toAddress, fromSource, toSink)
        transfer(fromAddress, toAddress, toSource, fromSink)
      }

      else -> throw ProtocolException("unexpected command: $command")
    }
  }

  private fun transfer(
    fromAddress: InetAddress,
    toAddress: InetAddress,
    source: BufferedSource,

    val maxStaleSeconds: Int = cacheControl.maxStaleSeconds
    val minFreshSeconds: Int = cacheControl.minFreshSeconds
    val onlyIfCached: Boolean = cacheControl.onlyIfCached
    val noTransform: Boolean = cacheControl.noTransform
    val immutable: Boolean = cacheControl.immutable
    val forceCache: CacheControl = CacheControl.FORCE_CACHE
    val forceNetwork: CacheControl = CacheControl.FORCE_NETWORK