class_docstr: Metadata that the MediaFileManager needs for each file it manages.
class_docstr_tok: ["Metadata","that","the","MediaFileManager","needs","for","each","file","it","manages","."]
code: def mark_for_delete(self) -> None:
      self._is_marked_for_delete = True
  
file_path: streamlit/lib/streamlit/runtime/media_file_manager.py
imports: import collections
  import threading
  from typing import Dict, Optional, Set, Union
  from streamlit.logger import get_logger
  from streamlit.runtime.media_file_storage import MediaFileKind, MediaFileStorage
label_desc: Use image node_id 4 for calling the MediaFileMetadata obj's underlying member method code with example usage: obj.mark_for_delete() without return types