How to use the andriller.decoders function in andriller

def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.set_title()
        # ADB moved to the bottom once the logger handler is configured
        # self.adb = adb_conn.ADBConn(logger=logger, log_level=self.log_level)
        self.registry = decoders.Registry()
        self.menubar = tk.Menu(self.root, tearoff=0)
        self.root['menu'] = self.menubar
        self.build_file_menus()
        self.build_decoders_menus()
        self.build_utils_menus()
        self.build_locks_menus()
        self.build_tools_menus()
        self.build_adb_menus()
        self.build_help_menus()

        self.DeviceStatus = tk.StringVar()
        self.StatusMsg = tk.StringVar()
        self.StatusMsg.set('Ready')

        # MIDFRAME -----------------------------------------------------------
        midframe = ttk.Frame(self.mainframe, padding=(5, 5, 5, 5))

def salt_locksettings_wal(self):
        dialog = self.get_file(
            'locksettings.db-wal',
            ftype=[('SQLite Write Ahead Logs', '*.db-wal')])
        if dialog and os.path.getsize(dialog):
            salt_values = decoders.parse_lockscreen_wal(dialog)
            if len(salt_values) == 1:
                logger.info(f'Lockscreen salt: {salt_values[0]}')
                self.SALT.set(salt_values[0])
            elif len(salt_values) > 1:
                for n, s in enumerate(salt_values, start=1):
                    logger.info(f'Lockscreen salt_{n}: {s}')
                messagebox.showwarning(
                    'Multiple results found',
                    'More than one value for salt was found! Check the log window to pick a value manually.')
            else:
                messagebox.showwarning(
                    'Value not found',
                    'Salt was not found in the file!')

def salt_settings(self, key='lockscreen.password_salt'):
        dialog = self.get_file(
            'settings.db',
            ftype=[('SQLite Databases', '*.db')])
        if dialog:
            dec = decoders.SettingsDecoder(None, dialog)
            salt_value = dec.DICT.get(key)
            if salt_value:
                logger.info(f'Lockscreen salt: {salt_value}')
                self.SALT.set(salt_value)
            else:
                messagebox.showwarning(
                    'Value not found',
                    f'`{key}` not found in the file!')

def salt_locksettings(self, key='lockscreen.password_salt'):
        dialog = self.get_file(
            'locksettings.db',
            ftype=[('SQLite Databases', '*.db')])
        if dialog:
            try:
                dec = decoders.LocksettingsDecoder(None, dialog)
                salt_value = dec.DICT.get(key)
                if salt_value:
                    logger.info(f'Lockscreen salt: {salt_value}')
                    self.SALT.set(salt_value)
            except Exception:
                messagebox.showwarning(
                    'Value not found',
                    f'`{key}` not found in the database!\nTry parsing the `locksettings.db-wal` instead.')