text: 'use strict';
  
  const XLSX = require('../xlsx/xlsx');
  
  class ModelContainer {
    constructor(model) {
      this.model = model;
    }
  
    get xlsx() {
      if (!this._xlsx) {
        this._xlsx = new XLSX(this);
      }
      return this._xlsx;
    }
  }
  
  module.exports = ModelContainer;
  