text: var ModelUtils = require('../../shared/modelUtils');
  
  module.exports = AddClassMapping;
  
  function AddClassMapping(utils) {
    this.utils = utils || new ModelUtils();
  }
  
  AddClassMapping.prototype.add = function(key, modelConstructor) {
    return this.utils._classMap[this.utils.underscorize(key)] = modelConstructor;
  };
  