code: def get_categories(self, pipeline, object_name):
      if object_name == self.x_name.value:
          return [C_CHILDREN]
  
      categories = super(ObjectProcessing, self).get_categories(
          pipeline, object_name
      )
  
      if object_name == self.y_name.value:
          return categories + [C_PARENT]
  
      return categories
  
imports: from cellprofiler_core.setting.subscriber import LabelSubscriber
  from ._image_segmentation import ImageSegmentation
  from ...constants.measurement import COLTYPE_INTEGER
  from ...constants.measurement import C_CHILDREN
  from ...constants.measurement import C_NUMBER
  from ...constants.measurement import C_PARENT
  from ...constants.measurement import FF_CHILDREN_COUNT
  from ...constants.measurement import FF_COUNT
  from ...constants.measurement import FF_PARENT
  from ...constants.measurement import FTR_OBJECT_NUMBER
  from ...object import Objects
label_desc: Use image node_id 4 for calling the ObjectProcessing obj's underlying member method code with example usage: obj.get_categories(pipeline, object_name) and returns: categories, list, unknown