* appear in this multimap.
   */
  @Override
  public ImmutableSet<K> keySet() {
    return map.keySet();
  }

  @Override
  Set<K> createKeySet() {
    throw new AssertionError("unreachable");
  }

  /**
   * Returns an immutable map that associates each key with its corresponding values in the
   * multimap. Keys and values appear in the same order as in this multimap.
   */
  @Override

  }

  @Test
  @TestMetadata("when_condition_unreachable.kt")
  public void testWhen_condition_unreachable() {
    runTest("analysis/analysis-api/testData/components/expressionInfoProvider/isUsedAsExpression/when_condition_unreachable.kt");
  }

  @Test
  @TestMetadata("when_subject.kt")
  public void testWhen_subject() {

		if len(line) > 0 && line[len(line)-1] == '\r' {
			// Put the '\r' back on buf and drop it from line.
			// Let the next call to ReadLine check for "\r\n".
			if b.r == 0 {
				// should be unreachable
				panic("bufio: tried to rewind past start of buffer")
			}
			b.r--
			line = line[:len(line)-1]
		}
		return line, true, nil
	}

	if len(line) == 0 {
		if err != nil {
			line = nil

        .addInterceptor(interceptor1)
        .addInterceptor(interceptor2)
        .build()
    val request1 =
      Request.Builder()
        .url("http://" + TestUtil.UNREACHABLE_ADDRESS_IPV4)
        .build()
    val call = client.newCall(request1)
    val startNanos = System.nanoTime()
    assertFailsWith<SocketTimeoutException> {
      call.execute()
    }

      }

    /**
     * Configure this client to retry or not when a connectivity problem is encountered. By default,
     * this client silently recovers from the following problems:
     *
     * * **Unreachable IP addresses.** If the URL's host has multiple IP addresses,
     *   failure to reach any individual IP address doesn't fail the overall request. This can
     *   increase availability of multi-homed services.
     *

        if (comparator.compare(ak, nextPermutation.get(l)) < 0) {
          return l;
        }
      }
      throw new AssertionError("this statement should be unreachable");
    }
  }

  /**
   * Returns a {@link Collection} of all the permutations of the specified {@link Collection}.
   *

  /** https://github.com/square/okhttp/issues/442  */
  @Test
  fun tlsTimeoutsNotRetried() {
    enableTls()
    server.enqueue(MockResponse(socketPolicy = NoResponse))
    server.enqueue(MockResponse(body = "unreachable!"))
    client =
      client.newBuilder()
        .readTimeout(Duration.ofMillis(100))
        .build()
    val request = Request.Builder().url(server.url("/")).build()

	case *types.Chan:
		var s string
		switch typ.Dir() {
		case types.SendOnly:
			s = "chan<- "
		case types.RecvOnly:
			s = "<-chan "
		case types.SendRecv:
			s = "chan "
		default:
			panic("unreachable")
		}
		buf.WriteString(s)
		w.writeType(buf, typ.Elem())

	case *types.Alias:
		w.writeType(buf, types.Unalias(typ))

	case *types.Named:
		obj := typ.Obj()
		pkg := obj.Pkg()

   * they will be absent (unless they were already returned).
   *
   * If there are I/O problems during iteration, this iterator fails silently. For example, if the
   * hosting filesystem becomes unreachable, the iterator will omit elements rather than throwing
   * exceptions.
   *
   * **The caller must [close][Snapshot.close]** each snapshot returned by [Iterator.next]. Failing
   * to do so leaks open files!
   */

        }
      }
    ```

### Timeouts ([.kt][ConfigureTimeoutsKotlin], [.java][ConfigureTimeoutsJava])

Use timeouts to fail a call when its peer is unreachable. Network partitions can be due to client connectivity problems, server availability problems, or anything between. OkHttp supports connect, write, read, and full call timeouts.

=== ":material-language-kotlin: Kotlin"