final SID groupId = pacStream.readId();

            // Groups information
            final int groupCount = pacStream.readInt();
            final int groupPointer = pacStream.readInt();

            // User flags about PAC Logon Info content
            this.userFlags = pacStream.readInt();
            final boolean hasExtraSids = (this.userFlags & PacConstants.LOGON_EXTRA_SIDS) == PacConstants.LOGON_EXTRA_SIDS;

        // Verify complete structure
        assertEquals(9, SMBUtil.readInt2(buffer, bodyOffset)); // Structure size
        assertEquals(0, SMBUtil.readInt2(buffer, bodyOffset + 2)); // Tree flags
        assertEquals(Smb2Constants.SMB2_HEADER_LENGTH + 8, SMBUtil.readInt2(buffer, bodyOffset + 4)); // Path offset
        assertEquals(pathBytes.length, SMBUtil.readInt2(buffer, bodyOffset + 6)); // Path length

        // Verify path content

            assertEquals(6, bytesWritten);
            assertEquals(2, SMBUtil.readInt2(buffer, 0));
            assertEquals(EncryptionNegotiateContext.CIPHER_AES128_CCM, SMBUtil.readInt2(buffer, 2));
            assertEquals(EncryptionNegotiateContext.CIPHER_AES128_GCM, SMBUtil.readInt2(buffer, 4));
        }

        @Test
        @DisplayName("Should encode null ciphers as zero count")

        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {
            throw new SMBProtocolDecodingException("Structure size != 9");
        }

        this.sessionFlags = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;

        final int securityBufferOffset = SMBUtil.readInt2(buffer, bufferIndex);

			return
		}
		switch msgp.UnsafeString(field) {
		case "Total":
			z.Total, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Total")
				return
			}
		case "Size":
			z.Size, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "Size")
				return
			}
		case "N":
			z.N, err = dc.ReadInt64()
			if err != nil {
				err = msgp.WrapError(err, "N")
				return
			}
		default:

        bufferIndex += 2;
        parameterDisplacement = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataOffset = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataDisplacement = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        setupCount = buffer[bufferIndex] & 0xFF;

            assertEquals(12, bytesWritten);
            assertEquals(3, SMBUtil.readInt2(buffer, 0));
            assertEquals(2, SMBUtil.readInt2(buffer, 2));
            assertEquals(0x01, SMBUtil.readInt2(buffer, 4));
            assertEquals(0x02, SMBUtil.readInt2(buffer, 6));
            assertEquals(0x03, SMBUtil.readInt2(buffer, 8));
            assertArrayEquals(salt, Arrays.copyOfRange(buffer, 10, 12));
        }

        bufferIndex += 2;
        this.parameterDisplacement = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataCount = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataOffset = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataDisplacement = SMBUtil.readInt2(buffer, bufferIndex);

        final int start = bufferIndex;

        this.pathConsumed = SMBUtil.readInt2(buffer, bufferIndex) / 2;
        bufferIndex += 2;
        this.numReferrals = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.tflags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 4;

        this.referrals = new Referral[this.numReferrals];

            assertEquals(4, written);
            assertEquals(4, SMBUtil.readInt2(minBuffer, 0));

            // Large buffer
            byte[] largeBuffer = new byte[10000];
            written = echoRequest.writeBytesWireFormat(largeBuffer, 5000);
            assertEquals(4, written);
            assertEquals(4, SMBUtil.readInt2(largeBuffer, 5000));
        }

        @Test