              The contents of the 'source' field in the PNG header
          """
          logger.trace("Adding PNG Source data for '%s': %s",  # type:ignore
                       self._filename, metadata)
          dims = cast(Tuple[int, int], metadata["source_frame_dims"])
          self._image_shape = (*dims, 3)
          self._frame_metadata = metadata
  
      def _image_as_bgr(self) -> "np.ndarray":
          """ Get a copy of the source frame in BGR format.
 
</s> remove     def _image_as_bgr(self) -> "np.ndarray":
 </s> add     def _image_as_bgr(self) -> np.ndarray: </s> remove     def add_frame_metadata(self, metadata: "PNGHeaderSourceDict") -> None:
 </s> add     def add_frame_metadata(self, metadata: PNGHeaderSourceDict) -> None: </s> remove     def _image_as_rgb(self) -> "np.ndarray":
 </s> add     def _image_as_rgb(self) -> np.ndarray: </s> remove     def _image_as_gray(self) -> "np.ndarray":
 </s> add     def _image_as_gray(self) -> np.ndarray: </s> remove     def get_image_copy(self, color_format: Literal["BGR", "RGB", "GRAY"]) -> "np.ndarray":
 </s> add     def get_image_copy(self, color_format: T.Literal["BGR", "RGB", "GRAY"]) -> np.ndarray:
        dims = T.cast(tuple[int, int], metadata["source_frame_dims"])
              The contents of the 'source' field in the PNG header
          """
          logger.trace("Adding PNG Source data for '%s': %s",  # type:ignore
                       self._filename, metadata)
        dims = T.cast(tuple[int, int], metadata["source_frame_dims"])
          self._image_shape = (*dims, 3)
          self._frame_metadata = metadata
  
      def _image_as_bgr(self) -> "np.ndarray":
          """ Get a copy of the source frame in BGR format.
keep keep keep keep replace keep keep keep keep keep
 Rebase code (#1326)

* Remove tensorflow_probability requirement

* setup.py - fix progress bars

* requirements.txt: Remove pre python 3.9 packages

* update apple requirements.txt

* update INSTALL.md

* Remove python<3.9 code

* setup.py - fix Windows Installer

* typing: python3.9 compliant

* Update pytest and readthedocs python versions

* typing fixes

* Python Version updates
  - Reduce max version to 3.10
  - Default to 3.10 in installers
  - Remove incompatible 3.11 tests

* Update dependencies

* Downgrade imageio dep for Windows

* typing: merge optional unions and fixes

* Updates
  - min python version 3.10
  - typing to python 3.10 spec
  - remove pre-tf2.10 code
  - Add conda tests

* train: re-enable optimizer saving

* Update dockerfiles

* Update setup.py
  - Apple Conda deps to setup.py
  - Better Cuda + dependency handling

* bugfix: Patch logging to prevent Autograph errors

* Update dockerfiles

* Setup.py - Setup.py - stdout to utf-8

* Add more OSes to github Actions

* suppress mac-os end to end test 
plugins/extract/pipeline.py