if (messages != null && messages.size() > maxMessages) {
                int start = messages.size() - maxMessages;
                // Ensure trimmed history starts with a user message, not an assistant message
                if (start < messages.size() && ChatMessage.ROLE_ASSISTANT.equals(messages.get(start).getRole())) {
                    start = Math.max(0, start - 1);
                }

     */
    private void buildHeader(byte[] buf, int start, int status, int command, long sessionId) {
        System.arraycopy(SMBUtil.SMB2_HEADER, 0, buf, start, SMBUtil.SMB2_HEADER.length);
        // Status at +8
        SMBUtil.writeInt4(status, buf, start + 8);
        // Command at +12
        SMBUtil.writeInt2(command, buf, start + 12);
        // Flags at +16: server-to-redirector

		return
	}

	// TODO: This causes allocations, but escape analysis doesn't really show the cause.
	// If another faithful engineer wants to take a stab, feel free.
	go func(m message) {
		var start time.Time
		if m.DeadlineMS > 0 {
			start = time.Now()
		}
		var b []byte
		var err *RemoteErr
		func() {
			defer func() {
				if rec := recover(); rec != nil {

				"application/x-sas-backup",
				"application/x-sc",
				"application/x-sh",
				"application/x-shar",
				"application/x-shockwave-flash",
				"application/x-silverlight-app",
				"application/x-stuffit",
				"application/x-stuffitx",
				"application/x-sv4cpio",
				"application/x-sv4crc",
				"application/x-tar",
				"application/x-tex",
				"application/x-tex-tfm",
				"application/x-texinfo",

        final char[] key = block.toString().toCharArray();
        for (int start = 0; start < block.length();) {
            final BytesRef matchOutput = getLongestMatchOutput(key, start);
            if (matchOutput == null) {
                start++;
                continue;
            }

            synonyms.add(new MyToken(key, start, longestMatchEndOffset, 1, matchOutput.clone(), ignoreCase)); // TODO

                if (pathOffset > 0) {
                    this.rpath = readString(buffer, start + pathOffset, len);
                }
                if (nodeOffset > 0) {
                    this.node = readString(buffer, start + nodeOffset, len);
                }
                if (altPathOffset > 0) {
                    this.altPath = readString(buffer, start + altPathOffset, len);
                }
            } else {

        this.fileName = new String(nameBytes, StandardCharsets.UTF_16LE);
        return bufferIndex - start;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        dst[dstIndex] = (byte) (this.replaceIfExists ? 1 : 0);
        dstIndex += 8; // 7 Reserved

     */
    @Test
    public void testPerformance() throws Exception {
        final int num = 100;
        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }

    /** Offset from the start of the SMB header to the parameter bytes */
    protected int parameterOffset;
    /** Displacement of these parameter bytes from the start of the total parameter block */
    protected int parameterDisplacement;
    /** Offset from the start of the SMB header to the data bytes */
    protected int dataOffset;
    /** Displacement of these data bytes from the start of the total data block */

    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = this.headerStart = dstIndex;
        dstIndex += writeHeaderWireFormat(dst, dstIndex);

        this.byteCount = writeBytesWireFormat(dst, dstIndex);
        dstIndex += this.byteCount;
        dstIndex += pad8(dstIndex);

        this.length = dstIndex - start;

        int len = this.length;

        if (this.next != null) {