docs: function strSetterMulti(that, obj, collection, setMethod, method) {
          var i;
          if ('object' !== typeof obj && 'undefined' !== typeof obj) {
              throw new TypeError(method + ': ' + collection +
                                  ' must be object or undefined. Found: ' + obj);
          }
          for (i in obj) {
              if (obj.hasOwnProperty(i)) {
                  that[setMethod](i, obj[i]);
              }
          }
      }