text: const Activity = require("./activity");
  const Student = require("./student");
  const Teacher = require("./teacher");
  const ChangedTeacher = require('./changed_teacher');
  const PreAbsence = require('./pre_absence');
  const Attendance = require('./attendance');
  const CheckedPreAbsence = require('./checked_pre_absence');
  const ClubLocation = require('./club_location');
  
  module.exports = {
      Activity,
      Student,
      Teacher,
      ChangedTeacher,
      PreAbsence,
      Attendance,
      CheckedPreAbsence,
      ClubLocation
  }