*/
    public static void validateBufferSize(int size, int maxSize, String fieldName) {
        if (size < 0) {
            throw new IllegalArgumentException(fieldName + " size cannot be negative: " + size);
        }
        if (size > maxSize) {
            throw new IllegalArgumentException(fieldName + " size exceeds maximum (" + maxSize + "): " + size);
        }
    }

    /**

}

// ReadAt implements the [io.ReaderAt] interface.
func (r *Reader) ReadAt(b []byte, off int64) (n int, err error) {
	// cannot modify state - see io.ReaderAt
	if off < 0 {
		return 0, errors.New("bytes.Reader.ReadAt: negative offset")
	}
	if off >= int64(len(r.s)) {
		return 0, io.EOF
	}
	n = copy(b, r.s[off:])
	if n < len(b) {
		err = io.EOF
	}
	return
}

// ReadByte implements the [io.ByteReader] interface.

        for (byte value : fromCache) {
            assertEquals(0, value);
        }
    }

    // Invalid inputs: negative sizes for constructor arguments
    @Nested
    class InvalidConstruction {
        @Test
        @DisplayName("Negative maxBuffers throws immediately in constructor")
        void negativeMaxBuffersThrows() {

      throw new IllegalArgumentException(
          "radix must be between MIN_RADIX and MAX_RADIX but was " + radix);
    }
    boolean negative = string.charAt(0) == '-';
    int index = negative ? 1 : 0;
    if (index == string.length()) {
      return null;
    }
    int digit = AsciiDigits.digit(string.charAt(index++));
    if (digit < 0 || digit >= radix) {
      return null;

        assertEquals("00001234", Hexdump.toHexString(0x1234, 8));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
        assertEquals("34", Hexdump.toHexString(0x1234, 2));

        // Test negative values (treated as unsigned)
        assertEquals("FFFFFFFF", Hexdump.toHexString(-1, 8));
        assertEquals("FFFF", Hexdump.toHexString(-1, 4));
        assertEquals("FF", Hexdump.toHexString(-1, 2));
    }

        @Test
        @DisplayName("Should throw exception on negative buffer index")
        void testDecodeWithNegativeIndex() {
            assertThrows(SMBProtocolDecodingException.class, () -> testResponse.decode(testBuffer, -1, 10),
                    "Should throw exception for negative buffer index");
        }

        @Test
        @DisplayName("Should throw exception on negative length")
        void testDecodeWithNegativeLength() {

 */
@GwtCompatible
public interface Weigher<K, V> {

  /**
   * Returns the weight of a cache entry. There is no unit for entry weights; rather they are simply
   * relative to each other.
   *
   * @return the weight of the entry; must be non-negative
   */
  int weigh(K key, V value);

    final long offset;
    final long length;

    SlicedByteSource(long offset, long length) {
      checkArgument(offset >= 0, "offset (%s) may not be negative", offset);
      checkArgument(length >= 0, "length (%s) may not be negative", length);
      this.offset = offset;
      this.length = length;
    }

    @Override
    public InputStream openStream() throws IOException {

        assertNotNull(response);
        assertEquals(ServerMessageBlock.SMB_COM_QUERY_INFORMATION, getCommand(response));
    }

    @Test
    void testConstructorWithNegativeTimezone() {
        // Test constructor with negative timezone offset
        long serverTimeZoneOffset = -7200000L; // -2 hours in milliseconds
        response = new SmbComQueryInformationResponse(mockConfig, serverTimeZoneOffset);

        assertNotNull(response);

            public abstract String symbol();

            public static ScaleUnit getScaleUnit(long size) {
                if (size < 0L) {
                    throw new IllegalArgumentException("file size cannot be negative: " + size);
                }

                if (size >= GIGABYTE.bytes()) {
                    return GIGABYTE;
                } else if (size >= MEGABYTE.bytes()) {
                    return MEGABYTE;