          """ :class:`tkinter.StringVar`: The variable holding the currently selected navigation
          filter mode. """
          return self._tk_vars["filter_mode"]
  
      @property
      def tk_faces_size(self):
          """ :class:`tkinter.StringVar`: The variable holding the currently selected Faces Viewer
          thumbnail size. """
          return self._tk_vars["faces_size"]
  
 
</s> remove         return ["All Frames", "Has Face(s)", "No Faces", "Multiple Faces"]
 </s> add         return ["All Frames", "Has Face(s)", "No Faces", "Multiple Faces", "Misaligned Faces"] </s> remove         """ Adjust transport slider scale for different filters.
 </s> add         """ Adjust transport slider scale for different filters. Hide or display optional filter
        controls. </s> remove         """ Add the navigation mode combo box to the transport frame """
 </s> add         """ Add the navigation mode combo box to the filter frame.

        Parameters
        ----------
        frame: :class:`tkinter.ttk.Frame`
            The Filter Frame that holds the filter combo box
        """
    @property
    def tk_filter_distance(self):
        """ :class:`tkinter.DoubleVar`: The variable holding the currently selected threshold
        distance for misaligned filter mode. """
        return self._tk_vars["filter_distance"]

          """ :class:`tkinter.StringVar`: The variable holding the currently selected navigation
          filter mode. """
          return self._tk_vars["filter_mode"]
  
    @property
    def tk_filter_distance(self):
        """ :class:`tkinter.DoubleVar`: The variable holding the currently selected threshold
        distance for misaligned filter mode. """
        return self._tk_vars["filter_distance"]

      @property
      def tk_faces_size(self):
          """ :class:`tkinter.StringVar`: The variable holding the currently selected Faces Viewer
          thumbnail size. """
          return self._tk_vars["faces_size"]
  
keep keep keep add keep keep keep keep keep keep
 Add Misalignment Detection
  - lib.align.AlignedFace - Add average_distance property (distance from mean_face)
  - tools.manual - Add misaligned Faces filter
  - tools.sort - Add sort by distance (misaligned sort)Add "Misaligned Faces" filter to manual tool 
tools/manual/manual.py