docstr: Get the FPS of the capture device.
docstr_tok: ["Get","the","FPS","of","the","capture","device","."]
code: def get_fps(self) -> int:
      """Get the FPS of the capture device."""
      return self._get_cap().get(cv2.CAP_PROP_FPS)
  
imports: from __future__ import annotations
  import os
  import sys
  import tempfile
  from collections.abc import Callable
  from typing import TYPE_CHECKING, Any
  import numpy
  from torch.utils.data import Dataset, IterableDataset
  from monai.utils.enums import ColorOrder
  from monai.utils.module import optional_import
label_desc: Use image node_id 4 for calling the VideoDataset obj's underlying member method code with example usage: obj.get_fps() and returns: self