testDecodes(ignoreCase, "666F6F626172", "foobar");
    testDecodes(ignoreCase, "666f6f626172", "foobar");
    testDecodes(ignoreCase, "666F6f626172", "foobar");
  }

  // order the methods are called should not matter
  public void testBase16IgnoreCaseLowerCase() {
    BaseEncoding ignoreCase = base16().ignoreCase().lowerCase();
    assertThat(ignoreCase).isNotSameInstanceAs(base16());

   * <a href="https://en.wikipedia.org/wiki/Hash_function">hash function</a>.
   *
   * @since 31.1
   */
  public static HashFunction fingerprint2011() {
    return Fingerprint2011.FINGERPRINT_2011;
  }

  /**
   * Assigns to {@code hashCode} a "bucket" in the range {@code [0, buckets)}, in a uniform manner

    Form by reasonable means in a timely manner, at a charge no more
    than the cost of distribution to the recipient; and

(b) You may distribute such Executable Form under the terms of this
    License, or sublicense it under different terms, provided that the
    license for the Executable Form does not attempt to limit or alter
    the recipients' rights in the Source Code Form under this License.

    }

    @Override
    public byte[] read() {
      return Arrays.copyOfRange(bytes, offset, offset + length);
    }

    @SuppressWarnings("CheckReturnValue") // it doesn't matter what processBytes returns here
    @Override
    @ParametricNullness
    public <T extends @Nullable Object> T read(ByteProcessor<T> processor) throws IOException {
      processor.processBytes(bytes, offset, length);

   * override methods (probably called "unsafeDoForward" and "unsafeDoBackward") with the same
   * signatures as the methods below, rather than overriding the same doForward and doBackward
   * methods as implementations of normal converters do?
   *
   * But no matter what we do, it's worth remembering that the resulting code is going to be unsound

						return err
					}
				}
				versions = append(versions, xl2.versions)
			}

			if xl != nil && len(versions) > 0 {
				// Merge all versions. 'strict' doesn't matter since we only need one.
				xl.versions = mergeXLV2Versions(readQuorum, true, 0, versions...)
				if meta, err := xl.AppendTo(metaDataPoolGet()); err == nil {
					if best.reusable {
						metaDataPoolPut(best.metadata)

	paxUname    = "uname"
	paxGname    = "gname"
	paxMtime    = "mtime"
	paxAtime    = "atime"
	paxCtime    = "ctime"   // Removed from later revision of PAX spec, but was valid
	paxCharset  = "charset" // Currently unused
	paxComment  = "comment" // Currently unused

	paxSchilyXattr = "SCHILY.xattr."

	// Keywords for GNU sparse files in a PAX extended header.
	paxGNUSparse          = "GNU.sparse."

)

// tagKey returns the tag-based key to use in the pkgCache.
// It is a comma-separated string; the first part is dir, the rest tags.
// The satisfied tags are derived from context but only those that
// matter (the ones listed in the tags argument plus GOOS and GOARCH) are used.
// The tags list, which came from go/build's Package.AllTags,
// is known to be sorted.
func tagKey(dir string, context *build.Context, tags []string) string {

		t.Errorf("NewWriterSize's Writer.Size = %d; want %d", got, want)
	}
}

// An onlyReader only implements io.Reader, no matter what other methods the underlying implementation may have.
type onlyReader struct {
	io.Reader
}

// An onlyWriter only implements io.Writer, no matter what other methods the underlying implementation may have.
type onlyWriter struct {
	io.Writer
}

        .build(),
    )

    // First request: time out after 1s.
    client =
      client
        .newBuilder()
        .readTimeout(Duration.ofSeconds(1))
        .build()
    executeSynchronously("/a").assertBody("abc")

    // Second request: time out after 250ms.
    client =
      client
        .newBuilder()
        .readTimeout(Duration.ofMillis(250))