code: function(_mask) {
        var raw = [];
        for(var i = 0, l = this.length; i < l; i++) {
          raw.push(this[i].$encode(_mask));
        }
  
        this.$dispatch('before-render-many', [raw]);
        return raw;
      }
docs: @memberof CollectionApi#
  
  @description Encodes array data into a its serialized version.
  
  @param  {string} _mask 'CRU' mask
  @return {CollectionApi} self