text: const User = require('./user')
  const Topic = require('./topic')
  const UserGroup = require('./userGroup')
  const UserEvent = require('./userEvent')
  const UserTopic = require('./userTopic')
  
  User.belongsToMany(Topic, {through: UserTopic})
  Topic.belongsToMany(User, {through: UserTopic})
  
  User.hasMany(UserGroup)
  UserGroup.belongsTo(User)
  
  User.hasMany(UserEvent)
  UserEvent.belongsTo(User)
  
  module.exports = {
    User,
    Topic,
    UserGroup,
    UserEvent,
    UserTopic
  }
  