      def __init__(self, mask_type: str, output_size: int, coverage_ratio: float, **kwargs):
          super().__init__(mask_type, output_size, **kwargs)
  
          erode_types = [f"erosion{f}" for f in ["", "_left", "_top", "_right", "_bottom"]]
          self._erodes = [self.config.get(erode, 0) / 100 for erode in erode_types]
          self._do_erode = any(amount != 0 for amount in self._erodes)
  
          self._coverage_ratio = coverage_ratio
  
      def process(self,  # type:ignore # pylint:disable=arguments-differ
 
</s> remove     def __init__(self, mask_type: str, output_size: int, coverage_ratio: float, **kwargs):
        super().__init__(mask_type, output_size, **kwargs)
 </s> add     def __init__(self,
                 mask_type: str,
                 output_size: int,
                 coverage_ratio: float,
                 configfile: Optional[str] = None,
                 config: Optional[FaceswapConfig] = None) -> None:
        logger.debug("Initializing %s: (mask_type: '%s', output_size: %s, coverage_ratio: %s, "
                     "configfile: %s, config: %s)", self.__class__.__name__, mask_type,
                     coverage_ratio, output_size, configfile, config)
        self._mask_type = mask_type
        self._config = self._set_config(configfile, config)
        logger.debug("config: %s", self._config)

        self._coverage_ratio = coverage_ratio
        self._box = self._get_box(output_size) </s> remove         self._coverage_ratio = coverage_ratio
 </s> add     def _set_config(self,
                    configfile: Optional[str],
                    config: Optional[FaceswapConfig]) -> dict:
        """ Set the correct configuration for the plugin based on whether a config file
        or pre-loaded config has been passed in.

        Parameters
        ----------
        configfile: str
            Location of custom configuration ``ini`` file. If ``None`` then use the
            default config location
        config: :class:`lib.config.FaceswapConfig`
            Pre-loaded :class:`lib.config.FaceswapConfig`. If passed, then this will be
            used over any configuration on disk. If ``None`` then it is ignored.

        Returns
        -------
        dict
            The configuration in dictionary form for the given from
            :attr:`lib.config.FaceswapConfig.config_dict`
        """
        section = ".".join(self.__module__.split(".")[-2:])
        if config is None:
            retval = Config(section, configfile=configfile).config_dict
        else:
            config.section = section
            retval = config.config_dict
            config.section = None
        logger.debug("Config: %s", retval)
        return retval

    def _get_box(self, output_size: int) -> np.ndarray:
        """ Apply a gradient overlay to the edge of the swap box to smooth out any hard areas
        that where the face intersects with the edge of the swap area. </s> remove     **kwargs: dict, optional
        See the parent :class:`~plugins.convert.mask._base` for additional keyword arguments.
 </s> add     configfile: str, Optional
        Optional location of custom configuration ``ini`` file. If ``None`` then use the default
        config location. Default: ``None``
    config: :class:`lib.config.FaceswapConfig`, Optional
        Optional pre-loaded :class:`lib.config.FaceswapConfig`. If passed, then this will be used
        over any configuration on disk. If ``None`` then it is ignored. Default: ``None``
 </s> remove     def process(self,  # type:ignore # pylint:disable=arguments-differ
                detected_face: "DetectedFace",
                sub_crop_offset: Optional[np.ndarray],
                centering: Literal["legacy", "face", "head"],
                predicted_mask: Optional[np.ndarray] = None) -> Tuple[np.ndarray, np.ndarray]:
 </s> add         Gradient is created from 1/16th distance from the edge of the face box and uses the
        parameters as provided for mask blend settings

        Parameters
        ----------
        output_size: int
            The size of the box that contains the swapped face

        Returns
        -------
        :class:`numpy.ndarray`
            The box mask
        """
        box = np.zeros((output_size, output_size, 1), dtype="float32")
        edge = output_size // 32
        box[edge:-edge, edge:-edge] = 1.0

        box = BlurMask(self._config["type"],
                       box, self._config["kernel_size"],
                       self._config["passes"]).blurred
        return box

    def run(self,
            detected_face: DetectedFace,
            sub_crop_offset: Optional[np.ndarray],
            centering: Literal["legacy", "face", "head"],
            predicted_mask: Optional[np.ndarray] = None) -> Tuple[np.ndarray, np.ndarray]: </s> remove         return mask
 </s> add         return mask[..., None]
        self._erodes = [self._config.get(erode, 0) / 100 for erode in erode_types]
      def __init__(self, mask_type: str, output_size: int, coverage_ratio: float, **kwargs):
          super().__init__(mask_type, output_size, **kwargs)
  
          erode_types = [f"erosion{f}" for f in ["", "_left", "_top", "_right", "_bottom"]]
        self._erodes = [self._config.get(erode, 0) / 100 for erode in erode_types]
          self._do_erode = any(amount != 0 for amount in self._erodes)
  
          self._coverage_ratio = coverage_ratio
  
      def process(self,  # type:ignore # pylint:disable=arguments-differ
keep keep keep keep replace keep keep keep keep keep
 convert: remove box blend plugin 
plugins/convert/mask/mask_blend.py