@Override
    public String toString() {
        String c = switch (this.command) {
        case SMB2_NEGOTIATE -> "SMB2_NEGOTIATE";
        case SMB2_SESSION_SETUP -> "SMB2_SESSION_SETUP";
        case SMB2_LOGOFF -> "SMB2_LOGOFF";
        case SMB2_TREE_CONNECT -> "SMB2_TREE_CONNECT";
        case SMB2_TREE_DISCONNECT -> "SMB2_TREE_DISCONNECT";
        case SMB2_CREATE -> "SMB2_CREATE";
        case SMB2_CLOSE -> "SMB2_CLOSE";

        void testCommandConstants() {
            assertEquals(0x00, ServerMessageBlock2.SMB2_NEGOTIATE);
            assertEquals(0x01, ServerMessageBlock2.SMB2_SESSION_SETUP);
            assertEquals(0x02, ServerMessageBlock2.SMB2_LOGOFF);
            assertEquals(0x03, ServerMessageBlock2.SMB2_TREE_CONNECT);
            assertEquals(0x04, ServerMessageBlock2.SMB2_TREE_DISCONNECT);
            assertEquals(0x05, ServerMessageBlock2.SMB2_CREATE);