*/
  ReaderInputStream(Reader reader, CharsetEncoder encoder, int bufferSize) {
    this.reader = checkNotNull(reader);
    this.encoder = checkNotNull(encoder);
    checkArgument(bufferSize > 0, "bufferSize must be positive: %s", bufferSize);
    encoder.reset();

    charBuffer = CharBuffer.allocate(bufferSize);
    Java8Compatibility.flip(charBuffer);

    byteBuffer = ByteBuffer.allocate(bufferSize);
  }

    assertThat(encoding.encode(decoded.getBytes(UTF_8), offset, len)).isEqualTo(encoded);
  }

  private static void testDecodes(BaseEncoding encoding, String encoded, String decoded) {
    assertThat(encoding.canDecode(encoded)).isTrue();
    assertThat(encoding.decode(encoded)).isEqualTo(decoded.getBytes(UTF_8));
  }

  private static void testDecodesByBytes(BaseEncoding encoding, String encoded, byte[] decoded) {

      super(message);
    }
  }

  /** Encodes the specified byte array, and returns the encoded {@code String}. */
  public String encode(byte[] bytes) {
    return encode(bytes, 0, bytes.length);
  }

  /**
   * Encodes the specified range of the specified byte array, and returns the encoded {@code
   * String}.
   */
  public final String encode(byte[] bytes, int off, int len) {

 * even though the JDK decoder may accept them.
 *
 * @author Martin Buchholz
 * @author Clément Roux
 * @since 16.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Utf8 {
  /**
   * Returns the number of bytes in the UTF-8-encoded form of {@code sequence}. For a string, this

    @Override
    protected SortedMap<String, String> delegate() {
      return delegate;
    }
  }

  private static String encode(String str) {
    return BaseEncoding.base64().encode(str.getBytes(Charsets.UTF_8));
  }

  private static final Function<String, String> DECODE_FUNCTION =
      new Function<String, String>() {
        @Override

   * interoperate with systems that require semicolons.
   *
   * <p><b>Note:</b> Unlike other escapers, URL escapers produce <a
   * href="https://url.spec.whatwg.org/#percent-encode">uppercase</a> hexadecimal sequences.
   *
   */
  public static Escaper urlFormParameterEscaper() {
    return URL_FORM_PARAMETER_ESCAPER;
  }

  private static final Escaper URL_FORM_PARAMETER_ESCAPER =

 * }</pre>
 *
 * <p>If you wish to avoid this, you should either prepend or append the size of each chunk. Keep in
 * mind that when dealing with char sequences, the encoded form of two concatenated char sequences
 * is not equivalent to the concatenation of their encoded form. Therefore, {@link
 * #putString(CharSequence, Charset)} should only be used consistently with <i>complete</i>
 * sequences and not broken into chunks.
 *

   *
   * @param numBytes the number of bytes in the byte array
   * @param expectedCount the expected number of roundtrippable permutations
   * @param start the starting bytes encoded as a long as big-endian
   * @param lim the limit of bytes to process encoded as a long as big-endian, or -1 to mean the max
   *     limit for numBytes
   */
  @GwtIncompatible // java.nio.charset.Charset

   * cryptographically secure, but it produces a high-quality hash with fewer collisions than some
   * alternatives we've used in the past.
   *
   * <p>FarmHash fingerprints are encoded by {@link HashCode#asBytes} in little-endian order. This
   * means {@link HashCode#asLong} is guaranteed to return the same value that
   * farmhash::Fingerprint64() would for the same input (when compared using {@link

  private static SuccessorsFunction<Character> createUndirectedGraph(String... edges) {
    return createGraph(/* directed= */ false, edges);
  }

  /**
   * Creates a graph from a list of node pairs (encoded as strings, e.g. "ab" means that this graph
   * has an edge between 'a' and 'b').
   *
   * <p>The {@code successors} are always returned in alphabetical order.
   */