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: features_access_levels.rb
    path of file: ./repos/i-diario/app/services
    
    the code of the file until where you have to start completion: class FeaturesAccessLevels
  def self.administrator_features
    Features.keys
  end

  def self.employee_features
    administrator_features - admin_only_features
  end

  def self.teacher_features
    [
      :begin,
      :accounts,
      :dashboard,
      :absence_justification_report,
      :absence_justifications,
      :attendance_record_
    
  def self.teacher_features
    [
      :begin,
      :accounts,
      :dashboard,
      :absence_justification_report,
      :absence_justifications,
      :attendance_record_report,
      :avaliation_exemptions,
      :avaliation_recovery_diary_records,
      :avaliations,
      :conceptual_exams,
      :daily_frequencies,
      :daily_notes,
      :descriptive_exams,
      :discipline_content_records,
      :discipline_lesson_plan_report,
      :discipline_lesson_plans,
      :discipline_teaching_plans,
      :exam_record_report,
      :final_recovery_diary_records,
      :ieducar_api_exam_postings,
      :knowledge_area_content_records,
      :knowledge_area_lesson_plan_report,
      :knowledge_area_lesson_plans,
      :knowledge_area_teaching_plans,
      :observation_diary_records,
      :observation_record_report,
      :school_calendar_events,
      :school_calendars,
      :school_term_recovery_diary_records,
      :transfer_notes,
      :teacher_report_cards,
      :complementary_exams,
      :ieducar_api_exam_posting_without_restrictions,
      :change_school_year,
      :daily_frequencies_in_batchs,
      :learning_objectives_and_skills,
      :avaliation_recovery_lowest_notes
    ]
  end