code: def default_instruction_to_svg_dict(self, instruction):
          
          instruction_type = instruction.type
          default_type = "default"
          rep_str = "{instruction.type}"
          if default_type not in self._instruction_type_to_file_content:
              return {"svg": ""}
          default_svg = self._instruction_type_to_file_content[default_type]
          default_svg = default_svg.replace(rep_str, instruction_type)
          colored_svg = self._set_fills_in_color_layer(default_svg,
                                                       instruction.hex_color)
          return colored_svg
docs: Returns an xml-dictionary with the same content as
          :meth:`default_instruction_to_svg`
  
          If no file ``default.svg`` was loaded, an empty svg-dict is returned.