def METHOD_NAME(table: Table, context: Context) -> list[list[str]]:
    '''Get a list of unique constraints for a sqlalchemy table'''
    list_of_constraints: list[list[str]] = []
    for contraint in table.constraints:
        if isinstance(contraint, sqlalchemy.UniqueConstraint):
            columns = [column.name for column in contraint.columns]
            list_of_constraints.append(columns)
    return list_of_constraints