*/
    private fun assertSetEquals(
      message: String,
      expected: List<Header>,
      observed: List<Header>,
    ) {
      assertThat(LinkedHashSet(observed), message)
        .isEqualTo(LinkedHashSet(expected))
    }
  }

import okio.Sink

class FaultyFileSystem constructor(delegate: FileSystem?) : ForwardingFileSystem(delegate!!) {
  private val writeFaults: MutableSet<Path> = LinkedHashSet()
  private val deleteFaults: MutableSet<Path> = LinkedHashSet()
  private val renameFaults: MutableSet<Path> = LinkedHashSet()

  fun setFaultyWrite(
    file: Path,
    faulty: Boolean,
  ) {
    if (faulty) {
      writeFaults.add(file)
    } else {

 * limitations under the License.
 */
package okhttp3.sample;

import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;

        .build()
    assertThat(request.header("D")).isEqualTo("f")
    assertThat(request.header("d")).isEqualTo("f")
    val requestHeaders = request.headers
    assertThat(LinkedHashSet(requestHeaders.values("D"))).isEqualTo(newSet("e", "f"))
    assertThat(LinkedHashSet(requestHeaders.values("d"))).isEqualTo(newSet("e", "f"))
    val response = getResponse(request)
    response.close()
    val recordedRequest = server.takeRequest()

   */
  @get:JvmName("queryParameterNames")
  val queryParameterNames: Set<String>
    get() {
      if (queryNamesAndValues == null) return emptySet()
      val result = LinkedHashSet<String>()
      for (i in 0 until queryNamesAndValues.size step 2) {
        result.add(queryNamesAndValues[i]!!)
      }
      return result.readOnly()
    }

  /**

    cloned.enqueue(callback)
    val firstResponse = callback.await(request.url).assertSuccessful()
    val secondResponse = callback.await(request.url).assertSuccessful()
    val bodies: MutableSet<String?> = LinkedHashSet()
    bodies.add(firstResponse.body)
    bodies.add(secondResponse.body)
    assertThat(bodies).contains("abc")
    assertThat(bodies).contains("def")
  }

  @Test
  fun get_Async() {