text: const mongoose = require('mongoose');
  const Schema = mongoose.Schema;
  
  const TwitterFollowerIdSchema = new Schema({
      userId: { type: Schema.Types.ObjectId, ref: 'User', required: true },
      twitterUserId: { type: Schema.Types.ObjectId, ref: 'TwitterUser', required: false },
      twitterIds: { type: [Number], required: true },
      next_cursor: { type: Number, required: true },
      next_cursor_str: { type: String, required: true, trim: true },
      previous_cursor: { type: Number, required: true },
      previous_cursor_str: { type: String, required: true, trim: true },
      dateCreated: { type: Date, required: true, default: Date.now },
      dateModified: { type: Date, required: true, default: Date.now }
  });
  
  TwitterFollowerIdSchema.pre('save', function (next) {
      if (this.dateModified) {
          this.dateModified = new Date();
      }
      next();
  });
  
  module.exports = mongoose.model('TwitterFollowerId', TwitterFollowerIdSchema, 'twitterFollowerIds');
  