import java.io.InterruptedIOException
import java.util.concurrent.TimeUnit
import okhttp3.Headers
import okhttp3.internal.EMPTY_BYTE_ARRAY
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.assertLockNotHeld
import okhttp3.internal.concurrent.notifyAll
import okhttp3.internal.concurrent.wait

import okhttp3.Headers
import okhttp3.Headers.Companion.headersOf
import okhttp3.TestUtil.headerEntries
import okhttp3.TestUtil.repeat
import okhttp3.internal.EMPTY_BYTE_ARRAY
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.TaskFaker
import okhttp3.internal.concurrent.TaskRunner
import okhttp3.internal.concurrent.notifyAll
import okhttp3.internal.concurrent.wait
import okhttp3.internal.concurrent.withLock