final long totalBytes = runtime.totalMemory();
        return totalBytes - freeBytes;
    }

    /**
     * Estimates the size of an object in bytes.
     *
     * @param obj the object to calculate size for
     * @return estimated size in bytes
     */
    public static long sizeOf(final Object obj) {
        if (obj == null) {
            return 0L;
        }
        if (obj instanceof String) {

    void testWriteBytesWireFormatHappy() throws UnsupportedEncodingException {
        byte[] buffer = new byte[50];
        int used = cmd.writeBytesWireFormat(buffer, 0);
        // Calculate expected size: 1 byte for command + string bytes + 1 null terminator
        byte[] expectedString = "testfile.txt".getBytes("windows-1252");

	maxPartsCount             = 10000
	maxPartSize               = 1024 * 1024 * 1024 * 5
	minPartSize               = 1024 * 1024 * 128 // chosen by us to be optimal for HDDs
)

// optimalPartInfo - calculate the optimal part info for a given
// object size.
//
// NOTE: Assumption here is that for any object to be uploaded to any S3 compatible
// object storage it will have the following parameters as constants.
//

 *
 * @author James Sexton
 * @param <N> Node parameter type
 */
abstract class AbstractBaseGraph<N> implements BaseGraph<N> {

  /**
   * Returns the number of edges in this graph; used to calculate the size of {@link Graph#edges()}.
   * This implementation requires O(|N|) time. Classes extending this one may manually keep track of
   * the number of edges as the graph is updated, and override this method for better performance.

   * most once unless the underlying {@code get()} throws an exception. The supplier's serialized
   * form does not contain the cached value, which will be recalculated when {@code get()} is called
   * on the deserialized instance.
   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.

    }

    /**
     * Clear all pending operations
     */
    public void clearPendingOperations() {
        pendingOperations.clear();
    }

    /**
     * Calculate channel score for load balancing (higher is better)
     *
     * @return channel score
     */
    public int getScore() {
        int score = 100;

        // Adjust based on state

        String.format("expected: %08x, actual: %08x", expectedCrc, actualCrc),
        expectedCrc,
        actualCrcHasher);
  }

  // From RFC 3720, Section 12.1, the polynomial generator is 0x11EDC6F41.
  // We calculate the constant below by:
  //   1. Omitting the most significant bit (because it's always 1). => 0x1EDC6F41
  //   2. Flipping the bits of the constant so we can process a byte at a time. => 0x82F63B78

		}
		if !bytes.Equal(h.Sum(nil), want) {
			return errFileCorrupt
		}
		return nil
	}

	h := algo.New()
	hashBuf := make([]byte, h.Size())
	left := wantSize

	// Calculate the size of the bitrot file and compare
	// it with the actual file size.
	if left != bitrotShardFileSize(partSize, shardSize, algo) {
		return errFileCorrupt
	}

	bufp := xioutil.ODirectPoolSmall.Get()

        dstIndex += 4;

        // WriteChannelInfo (Offset/Length for SMB2_RDMA_TRANSFORM)
        if (rdmaChannelInfo != null && channel == Smb2Constants.SMB2_CHANNEL_RDMA_V1) {
            // Calculate offset for SMB2_RDMA_TRANSFORM after data
            int transformOffset = 112 + this.dataLength; // After header (64) + write req (48) + data
            SMBUtil.writeInt2(transformOffset, dst, dstIndex); // writeChannelInfoOffset

		os.Exit(1)
	}
	for _, input := range inputs {
		processFile(input, privateKeys)
	}
}

func processFile(inputFileName string, privateKeys [][]byte) {
	// Calculate the output file name
	var outputFileName string
	switch {
	case strings.HasSuffix(inputFileName, ".enc"):
		outputFileName = strings.TrimSuffix(inputFileName, ".enc") + ".zip"