code: def upload_files(
      self, value: Union[str, Iterable[str]], *, wait: bool = False
  ) -> None:
      if is_collection(value):
          verify_collection_type("value", value, str)
      else:
          verify_type("value", value, str)
  
      with self._container.lock():
          attr = self._container.get_attribute(self._path)
          if attr is None:
              attr = FileSet(self._container, parse_path(self._path))
              self._container.set_attribute(self._path, attr)
          attr.upload_files(value, wait=wait)
  
imports: from functools import wraps
  from typing import TYPE_CHECKING, Any, Collection, Dict, Iterable, Iterator, List, NewType, Optional, Union
  from neptune.api.dtos import FileEntry
  from neptune.attributes import File
  from neptune.attributes.atoms.artifact import Artifact
  from neptune.attributes.constants import SYSTEM_STAGE_ATTRIBUTE_PATH
  from neptune.attributes.file_set import FileSet
  from neptune.attributes.namespace import Namespace
  from neptune.attributes.series import FileSeries
  from neptune.attributes.series.float_series import FloatSeries
  from neptune.attributes.series.string_series import StringSeries
  from neptune.attributes.sets.string_set import StringSet
  from neptune.common.warnings import warn_about_unsupported_type
  from neptune.exceptions import MissingFieldException, NeptuneCannotChangeStageManually, NeptuneUserApiInputException
  from neptune.internal.artifacts.types import ArtifactFileData
  from neptune.internal.types.stringify_value import StringifyValue
  from neptune.internal.utils import is_collection, is_dict_like, is_float, is_float_like, is_string, is_stringify_value, verify_collection_type, verify_type
  from neptune.internal.utils.paths import join_paths, parse_path
  from neptune.internal.value_to_attribute_visitor import ValueToAttributeVisitor
  from neptune.metadata_containers.abstract import SupportsNamespaces
  from neptune.types.atoms.file import File
  from neptune.types.type_casting import cast_value_for_extend
  from neptune.types.value_copy import ValueCopy
  from neptune.utils import stringify_unsupported
label_desc: Use image node_id 12 for calling the Handler obj's underlying member method code with example usage: obj.upload_files(value) without return types