assertArgumentNotNull("os", os);
        assertArgumentNotEmpty("encoding", encoding);

        try {
            return new OutputStreamWriter(os, encoding);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Creates a {@link Writer} to output to a file with the default encoding.
     *
     * @param file the file (must not be {@literal null})

    checkNotNull(timeoutUnit);
    try {
      return callable.call();
    } catch (RuntimeException e) {
      throw new UncheckedExecutionException(e);
    } catch (Exception e) {
      restoreInterruptIfIsInterruptedException(e);
      throw new ExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    }
  }

  @CanIgnoreReturnValue // TODO(kak): consider removing this
  @Override

        assertArgumentNotNull("ps", ps);

        try {
            return ps.executeQuery();
        } catch (final SQLException ex) {
            throw new SQLRuntimeException(ex);
        }
    }

    /**
     * Executes the update.
     *
     * @param ps
     *            {@link PreparedStatement}. Must not be {@literal null}.

      "FINE: Q10000 scheduled after 100 µs: task three",
      "FINE: Q10000 starting              : task one",
      "FINE: Q10000 finished run in   0 µs: task one",
      "FINE: Q10000 starting              : task two",
      "FINE: Q10000 finished run in   0 µs: task two",
      "FINE: Q10000 starting              : task three",
      "FINE: Q10000 finished run in   0 µs: task three",
    )
  }

   */
  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public int drainTo(Collection<? super E> c) {
    if (c == null) throw new NullPointerException();
    if (c == this) throw new IllegalArgumentException();
    Monitor monitor = this.monitor;
    monitor.enter();
    try {
      int n = 0;
      E e;
      while ((e = q.poll()) != null) {

    } catch (InterruptedException e) {
      currentThread().interrupt();
      throw newWithCause(exceptionClass, e);
    } catch (TimeoutException e) {
      throw newWithCause(exceptionClass, e);
    } catch (ExecutionException e) {
      wrapAndThrowExceptionOrError(e.getCause(), exceptionClass);
      throw new AssertionError();
    }
  }

  @VisibleForTesting
  interface GetCheckedTypeValidator {

      // On android 8.0, socket.connect throws a ClassCastException due to a bug
      // see https://issuetracker.google.com/issues/63649622
      if (Build.VERSION.SDK_INT == 26) {
        throw IOException("Exception in connect", e)
      } else {
        throw e
      }
    }
  }

  override fun newSSLContext(): SSLContext {
    StrictMode.noteSlowCall("newSSLContext")

    return super.newSSLContext()
  }

  override fun find(): RealConnection {
    var firstException: IOException? = null
    try {
      while (tcpConnectsInFlight.isNotEmpty() || routePlanner.hasNext()) {
        if (routePlanner.isCanceled()) throw IOException("Canceled")

        // Launch a new connection if we're ready to.
        val now = taskRunner.backend.nanoTime()
        var awaitTimeoutNanos = nextTcpConnectAtNanos - now

    private static void checkVertex(MetadataGraphVertex v) throws MetadataResolutionException {
        if (v == null) {
            throw new MetadataResolutionException("null vertex");
        }
        if (v.getMd() == null) {
            throw new MetadataResolutionException("vertex without metadata");
        }
    }
    // ------------------------------------------------------------------------

    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the {@code RangeSet} unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public void removeAll(RangeSet<C> other) {
    throw new UnsupportedOperationException();
  }