text: const schema = require('@colyseus/schema');
  const Schema = schema.Schema;
  const MapSchema = schema.MapSchema;
  
  const ContentItem  = require('./ContentItem.js').ContentItem;
  
  class ContentCell extends Schema {
    constructor () {
        super();
        this.items = new MapSchema();
  
        const item_word  = ContentItem.word("");
        this.items[item_word.type] = item_word;
  
        const item_image  = ContentItem.image("");
        this.items[item_image.type] = item_image;
  
        // const item_audio  = ContentItem.audio("");
        // this.items[item_audio.type] = item_audio;
    }
  }
  schema.defineTypes(ContentCell, {
    items : {map : ContentItem},
  });
  
  exports.ContentCell = ContentCell;
  