Find the index (within descriptor.details) of the next referenced property - after currentReference - whose
own nested object/array still needs its descriptor built. Used to walk through a descriptor's references one at
a time while building out a descriptorMap.
Parameters
descriptor: descriptor
The descriptor whose references to search.
currentReference: number
The details index already processed - search continues after this one.
Returns number
The next detail index to process, or undefined if none remain.
Find the index (within
descriptor.details) of the next referenced property - aftercurrentReference- whose own nested object/array still needs its descriptor built. Used to walk through a descriptor's references one at a time while building out a descriptorMap.