code: function(properties, value, equals, cascade, options)
    {
      function refreshIt(model)
      {
        model.$refresh( cascade, options );
      }
  
      batchExecute(function()
      {
        this.eachWhere( refreshIt, properties, value, equals );
  
      }, this );
  
      return this;
    }
docs: Calls {@link Rekord.Model#$refresh} on models in this collection that meet
  the given where expression.
  
  @method
  @memberof Rekord.ModelCollection#
  @param {whereInput} [properties] -
  See {@link Rekord.createWhere}
  @param {Any} [value] -
  See {@link Rekord.createWhere}
  @param {equalityCallback} [equals=Rekord.equalsStrict] -
  See {@link Rekord.createWhere}
  @param {Number} [cascade] -
  Which operations should be performed out of: store, rest, & live.
  @param {Any} [options] -
  The options to pass to the REST service.
  @return {Rekord.ModelCollection} -
  The reference to this collection.
  @see Rekord.createWhere
  @see Rekord.Model#$refresh