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: student_enrollment_exempted_disciplines_synchronizer.rb
    path of file: ./repos/i-diario/app/services/ieducar_synchronizers
    
    the code of the file until where you have to start completion: class StudentEnrollmentExemptedDisciplinesSynchronizer < BaseSynchronizer
  def synchronize!
    update_exempted_disciplines(
      HashDecorator.new(
        api.fetch(
          ano: year,
          escola: unity_api_code
        )['dispensas']
      )
    )
  end

  private

  def api_class
    IeducarApi::StudentEnrollmentExem
    
  def delete_dispensed_exams_and_frequencies(changed_student_enrollment_exempted_disciplines)
    changed_student_enrollment_exempted_disciplines.uniq.each do |student_enrollment_id, discipline_id, steps|
      DeleteDispensedExamsAndFrequenciesWorker.perform_in(
        1.second,
        entity_id,
        student_enrollment_id,
        discipline_id,
        steps
      )
    end
  end