          """
          for tk_var in self._tk_vars.values():
              tk_var.trace("w", patch_callback)
  
      def _add_busy_indicator(self, parent):
          """ Place progress bar into bottom bar to indicate when processing.
  
          Parameters
          ----------
          parent: tkinter object
 
</s> remove     def _add_actions(self, parent):
 </s> add     def _add_actions(self, parent: ttk.Frame) -> None: </s> remove     def _stop_busy_indicator(self):
 </s> add     def _stop_busy_indicator(self) -> None: </s> remove     def _build_frame(self, parent, config_key):
 </s> add     def _build_frame(self, parent: OptionsBook, config_key: str) -> None: </s> remove     def _start_busy_indicator(self):
 </s> add     def _start_busy_indicator(self) -> None: </s> remove     def _add_actions(self, parent, config_key):
 </s> add     def _add_actions(self, parent: OptionsBook, config_key: str) -> None:
    def _add_busy_indicator(self, parent: ttk.Frame) -> ttk.Progressbar:
          """
          for tk_var in self._tk_vars.values():
              tk_var.trace("w", patch_callback)
  
    def _add_busy_indicator(self, parent: ttk.Frame) -> ttk.Progressbar:
          """ Place progress bar into bottom bar to indicate when processing.
  
          Parameters
          ----------
          parent: tkinter object
keep keep keep keep replace keep keep keep keep keep
 Bugfix: convert - Gif Writer
  - Fix non-launch error on Gif Writer
  - convert plugins - linting
  - convert/fs_media/preview/queue_manager - typing
  - Change convert items from dict to Dataclass 
tools/preview/preview.py