s           string
		startIdx    int
		length      int
		resExpected string
		errExpected error
	}{
		{"abcd", 1, 1, "a", nil},
		{"abcd", -1, 1, "a", nil},
		{"abcd", 999, 999, "", nil},
		{"", 999, 999, "", nil},
		{"测试abc", 1, 1, "测", nil},
		{"测试abc", 5, 5, "c", nil},
	}

	for i, tc := range evalCases {
		res, err := evalSQLSubstring(tc.s, tc.startIdx, tc.length)
		if res != tc.resExpected || err != tc.errExpected {

                .maximumSize(maxSize));
    long totalCapacity = 0;
    assertWithMessage("segments=%s, maxSize=%s", map.segments.length, maxSize)
        .that((long) map.segments.length)
        .isAtMost(max(1, maxSize / 10));
    for (int i = 0; i < map.segments.length; i++) {
      totalCapacity += map.segments[i].maxSegmentWeight;
    }
    assertWithMessage("totalCapacity=%s, maxSize=%s", totalCapacity, maxSize)

                .maximumSize(maxSize));
    long totalCapacity = 0;
    assertWithMessage("segments=%s, maxSize=%s", map.segments.length, maxSize)
        .that((long) map.segments.length)
        .isAtMost(max(1, maxSize / 10));
    for (int i = 0; i < map.segments.length; i++) {
      totalCapacity += map.segments[i].maxSegmentWeight;
    }
    assertWithMessage("totalCapacity=%s, maxSize=%s", totalCapacity, maxSize)

              public SampleElements<E> samples() {
                return delegate.samples();
              }

              @Override
              public E[] createArray(int length) {
                return delegate.createArray(length);
              }

              @Override
              public Iterable<E> order(List<E> insertionOrder) {
                List<E> list = new ArrayList<>();

    void testRapidCalls() {
        Instant[] instants = new Instant[1000];
        for (int i = 0; i < instants.length; i++) {
            instants[i] = MonotonicClock.now();
        }

        // Verify monotonic behavior across all measurements
        for (int i = 1; i < instants.length; i++) {
            assertTrue(
                    instants[i].compareTo(instants[i - 1]) >= 0,

  }

  @VisibleForTesting
  static ImmutableMap<String, PublicSuffixType> parseFullString(String encoded) {
    ImmutableMap.Builder<String, PublicSuffixType> builder = ImmutableMap.builder();
    int encodedLen = encoded.length();
    int idx = 0;

    while (idx < encodedLen) {
      idx += doParseTrieToBuilder(new ArrayDeque<>(), encoded, idx, builder);
    }

    return builder.buildOrThrow();
  }

  /**

  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes) {
    return putBytes(bytes, 0, bytes.length);
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes, int off, int len) {
    Preconditions.checkPositionIndexes(off, off + len, bytes.length);
    for (int i = 0; i < len; i++) {
      putByte(bytes[off + i]);
    }
    return this;
  }

  @Override

			off, decOff, firstPart, decryptSkip, seqNum = getCompressedOffsets(oi, off, decrypt)
			decLength = length
			length = oi.Size - off
			// For negative length we read everything.
			if decLength < 0 {
				decLength = actualSize - decOff
			}

			// Reply back invalid range if the input offset and length fall out of range.

    public Entry<Country, Currency>[] createArray(int length) {
      return (Entry<Country, Currency>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<Country, Currency>> order(List<Entry<Country, Currency>> insertionOrder) {
      return orderEntriesByKey(insertionOrder);
    }

    @Override
    public Country[] createKeyArray(int length) {
      return new Country[length];
    }

  }

  // enum singleton pattern
  private enum StringLengthComparator implements Comparator<String> {
    INSTANCE;

    @Override
    public int compare(String a, String b) {
      return a.length() - b.length();
    }
  }

  private static final Comparator<String> STRING_LENGTH = StringLengthComparator.INSTANCE;

  @Override
  protected <E extends Comparable<? super E>> SortedSet<E> of() {