2620     function baseClone(value, bitmask, customizer, key, object, stack) {  argument
2627         result = object ? customizer(value, key, object, stack) : customizer(value);
2663       stack || (stack = new Stack);
2664       var stacked = stack.get(value);
2668       stack.set(value, result);
2672           result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
2676           result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
2691         assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
3267     function baseIsEqual(value, other, bitmask, customizer, stack) {  argument
3274       return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
3291     function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {  argument
3312         stack || (stack = new Stack);
3314           ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
3315           : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
3325           stack || (stack = new Stack);
3326           return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
3332       stack || (stack = new Stack);
3333       return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
3386           var stack = new Stack;
3388             var result = customizer(objValue, srcValue, key, object, source, stack);
3391 …? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
3596     function baseMerge(object, source, srcIndex, customizer, stack) {  argument
3601         stack || (stack = new Stack);
3603           baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
3607             ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
3633     function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {  argument
3636           stacked = stack.get(srcValue);
3643         ? customizer(objValue, srcValue, (key + ''), object, source, stack)
3688         stack.set(srcValue, newValue);
3689         mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
3690         stack['delete'](srcValue);
5577     function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {  argument
5580         stack.set(srcValue, objValue);
5581         baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
5582         stack['delete'](srcValue);
5613     function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {  argument
5622       var stacked = stack.get(array);
5623       if (stacked && stack.get(other)) {
5630       stack.set(array, other);
5631       stack.set(other, array);
5640             ? customizer(othValue, arrValue, index, other, array, stack)
5641             : customizer(arrValue, othValue, index, array, other, stack);
5654 …            (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
5663                 equalFunc(arrValue, othValue, bitmask, customizer, stack)
5669       stack['delete'](array);
5670       stack['delete'](other);
5691     function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {  argument
5736           var stacked = stack.get(object);
5743           stack.set(object, other);
5744 …  var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
5745           stack['delete'](object);
5769     function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {  argument
5787       var stacked = stack.get(object);
5788       if (stacked && stack.get(other)) {
5792       stack.set(object, other);
5793       stack.set(other, object);
5803             ? customizer(othValue, objValue, key, other, object, stack)
5804             : customizer(objValue, othValue, key, object, other, stack);
5808               ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
5828       stack['delete'](object);
5829       stack['delete'](other);