You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: with_model.rb
    path of file: ./repos/stringer/spec/support
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class WithModel::Model
  # Workaround for https://github.com/Casecommons/with_model/issues/35
  def cleanup_descendants_tracking
   
    
  def cleanup_descendants_tracking
    cache_classes = Rails.application.config.cache_classes
    if defined?(ActiveSupport::DescendantsTracker) && !cache_classes
      ActiveSupport::DescendantsTracker.clear([@model])
    elsif @model.superclass.respond_to?(:direct_descendants)
      @model.superclass.subclasses.delete(@model)
    end