code: function _defineModels() {
    const Section = this.sequelize.import('./models/section');
    const Record = this.sequelize.import('./models/record');
    const User = this.sequelize.import('./models/user');
  
    Section.hasMany(Record, { as: 'records' });
    Record.belongsTo(Section, { as: 'section' });
  
    return {
      Section,
      Record,
      User,
    };
  }
docs: @private
  
  Define the ORM models and associations
  
  @return {{Section, Record, User}} instantiated database models