def __init__(self, root_source_folder, root_destination_folder):
        self._base_src = root_source_folder
        self._base_dst = root_destination_folder
        self._copied = []
Raise TypeError if x is a str containing non-utf8 bytes or if x is
dataset/ETHPy150Open conan-io/conan/conans/client/file_copier.py/FileCopier.__init__--crossover with--dataset/ETHPy150Open ibagrak/algae/gae/libs/oauth2/__init__.py/to_unicode_optional_iterator