text: const mongoose = require('mongoose');
  
  const {
    String,
    Number,
  } = mongoose.Schema.Types;
  
  module.exports = {
    schema: {
      date: {
        type: String,
        required: true,
        unique: true,
      },
      created: {
        type: Number,
      },
      updated: {
        type: Number,
      },
    },
    indexes: [
      {
        date: 1,
      },
    ],
  };
  