text: """
  Abstract Base Class for preprocessors that slice and group the raw data
  """
  
  from abc import ABC, ABCMeta, abstractmethod
  from .preprocessor import Preprocessor
  class Slicer(Preprocessor):
  
      """
      Keep in mind that you have to define the abstract methods inherited from DataModel
      """
  
      """ Custom, specific methods for slicer-type Preprocessors """
      
      """ Search for slicing points """
      @abstractmethod
      def _get_slicing_points(self):
          pass
      