val c = this[i]
    if (c <= '\u001f' || c >= '\u007f') {
      return i
    }
  }
  return -1
}

/** Returns true if we should void putting this this header in an exception or toString(). */
internal fun isSensitiveHeader(name: String): Boolean {
  return name.equals("Authorization", ignoreCase = true) ||
    name.equals("Cookie", ignoreCase = true) ||

     * @throws IOException
     */
    protected static void loadConfigFile ( Path config, String[] applyMutations, Map<String, Map<String, String>> configs ) throws IOException {
        String fname = config.getFileName().toString();
        if ( !fname.endsWith(".conf") ) {
            return;
        }
        Properties props = new Properties();
        try ( FileChannel ch = FileChannel.open(config, StandardOpenOption.READ);

        .add("user-agent", "OkHttp")
        .build()
    val request =
      Request(
        "https://square.com".toHttpUrl(),
        headers,
      )
    assertThat(request.toString()).isEqualTo(
      "Request{method=GET, url=https://square.com/, headers=[" +
        "content-length:99," +
        " authorization:██," +
        " proxy-authorization:██," +
        " cookie:██," +

        for (int i = 1; i < values.length; i++) {
            buf.append('\n').append(prefix).append(i + 1).append(':').append(values[i]);
        }
        return buf.toString();
    }

              getLowerEndpoint(),
              getLowerBoundType());
      result.reverse = this;
      return this.reverse = result;
    }
    return result;
  }

  @Override
  public String toString() {
    return comparator
        + ":"
        + (lowerBoundType == CLOSED ? '[' : '(')
        + (hasLowerBound ? lowerEndpoint : "-\u221e")
        + ','
        + (hasUpperBound ? upperEndpoint : "\u221e")

    assertThat(Strings.lenientFormat("boiler %s plate", new ThrowsOnToString()))
        .matches("boiler <.*> plate");
  }

  private static class ThrowsOnToString {
    @Override
    public String toString() {
      throw new UnsupportedOperationException();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {

    TimeoutException e =
        assertThrows(
            TimeoutException.class, () -> service.startAsync().awaitRunning(1, MILLISECONDS));
    assertThat(e.getMessage()).contains(Service.State.STARTING.toString());
  }

  private class TimeoutOnStartUp extends AbstractExecutionThreadService {
    @Override
    protected Executor executor() {
      return new Executor() {
        @Override

  /** Returns {@code asMapOfRanges().hashCode()}. */
  @Override
  int hashCode();

  /** Returns a readable string representation of this range map. */
  @Override
  String toString();

        assertThat(map.equals(copy), is(not(true)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToString() throws Exception {
        assertThat(map.toString(), is(notNullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testClear() throws Exception {
        map.clear();
        assertThat(map.size(), is(0));
    }

    // Pasted this expected string from `echo hamburger | md5sum`
    assertEquals("cfa0c5002275c90508338a5cdb2a9781", byteSource.hash(Hashing.md5()).toString());
  }

  public void testContentEquals() throws IOException {
    assertTrue(source.contentEquals(source));
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());