491   function arrayAggregator(array, setter, iteratee, accumulator) {  argument
497       setter(accumulator, value, iteratee(value), array);
2508     function baseAggregator(collection, setter, iteratee, accumulator) {  argument
2510         setter(accumulator, value, iteratee(value), collection);
3196     function baseInverter(object, setter, iteratee, accumulator) {  argument
3198         setter(accumulator, iteratee(value), key, object);
4818     function createAggregator(setter, initializer) {  argument
4823         return func(collection, setter, getIteratee(iteratee, 2), accumulator);
5206     function createInverter(setter, toIteratee) {  argument
5208         return baseInverter(object, setter, toIteratee(iteratee), {});
5539       var setter = data ? baseSetData : setData;
5540       return setWrapToString(setter(result, newData), func, bitmask);