Creates a new object with keys to all of the values regardless of the level(excluding recursive objects). Keys for values on deeper levels will be joined by a "." while any dots or backslashes in the original keys will be escaped with a leading blackslash.This function is valid in v2.17.0 to v2.23.0. This function has been downloaded 24 times.
objbut having all nested keys represented by flat keys within the returned object.
This function is directly required by the following function: