int bufferIndex = 0;
        int start = 0;

        // Write server name (16 bytes, null padded)
        byte[] nameBytes = serverName.getBytes(StandardCharsets.US_ASCII);
        System.arraycopy(nameBytes, 0, buffer, bufferIndex, Math.min(nameBytes.length, 15));
        bufferIndex += 16;

        // Write version major (1 byte)
        buffer[bufferIndex++] = (byte) versionMajor;

import static com.google.common.collect.CollectPreconditions.checkEntryNotNull;
import static com.google.common.collect.CollectPreconditions.checkNonnegative;
import static java.lang.System.arraycopy;
import static java.util.Arrays.sort;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;

            // Create a buffer with null terminator within the max length
            byte[] buffer = new byte[20];
            System.arraycopy("Test".getBytes(), 0, buffer, 0, 4);
            buffer[4] = 0; // null terminator
            System.arraycopy("String".getBytes(), 0, buffer, 5, 6);

            String result = testBlock.readString(buffer, 0, buffer.length, 10, false);

                // Combine ciphertext and auth tag for decryption
                final byte[] input = new byte[ciphertext.length + authTag.length];
                System.arraycopy(ciphertext, 0, input, 0, ciphertext.length);
                System.arraycopy(authTag, 0, input, ciphertext.length, authTag.length);

                plaintext = cipher.doFinal(input);
            } else {
                // Use AES-CCM with Bouncy Castle

            System.arraycopy(NTLMSSP_SIGNATURE, 0, type2, 0, 8);
            writeULong(type2, 8, 2);
            writeSecurityBuffer(type2, 12, data, target);
            writeULong(type2, 20, flags);
            System.arraycopy(challenge != null ? challenge : new byte[8], 0, type2, 24, 8);
            if (context != null) {
                System.arraycopy(context, 0, type2, 32, 8);
            }

        byte[] buffer = new byte[byteCountValue];
        int bufferIndex = 0;
        byte[] key = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
        System.arraycopy(key, 0, buffer, bufferIndex, key.length);
        bufferIndex += key.length;
        System.arraycopy(domainBytes, 0, buffer, bufferIndex, domainBytes.length);

        response.readBytesWireFormat(buffer, 0);

import static com.google.common.collect.CollectPreconditions.checkEntryNotNull;
import static com.google.common.collect.CollectPreconditions.checkNonnegative;
import static java.lang.System.arraycopy;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

        final int size = 8 + 8 + 32;
        final byte[] enc = new byte[size];
        SMBUtil.writeInt4(size, enc, 0);
        SMBUtil.writeInt4(0, enc, 4);
        System.arraycopy(customData, 0, enc, 8, 8);
        System.arraycopy(machineId, 0, enc, 16, 32);
        return enc;
    }

        @Override
        int writeParameterWordsWireFormat(byte[] dst, int dstIndex) {
            System.arraycopy(paramWords, 0, dst, dstIndex, paramWords.length);
            return paramWords.length;
        }

        @Override
        int writeBytesWireFormat(byte[] dst, int dstIndex) {
            System.arraycopy(bytes, 0, dst, dstIndex, bytes.length);
            return bytes.length;
        }

        @Override

        assertEquals(0, SMBUtil.readInt4(buffer, offset + 4));

        // Verify file ID is copied correctly (16 bytes starting at offset+8)
        byte[] copiedFileId = new byte[16];
        System.arraycopy(buffer, offset + 8, copiedFileId, 0, 16);
        assertArrayEquals(testFileId, copiedFileId);
    }

    @Test
    @DisplayName("writeBytesWireFormat with close flags should write flags correctly")