def METHOD_NAME(typ, cell):
    if cell is not None:
        if typ in translatable_columns.keys():
            name = translatable_columns[typ]
            if isinstance(cell, str):
                self.seen[const.DEFAULT_LANGUAGE_VALUE].append(name)
                self.columns_seen.add(name)
            elif isinstance(cell, dict):
                for lng in cell:
                    self.seen[lng].append(name)
                    self.columns_seen.add(name)