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 v2.20.0. This function has been downloaded 13 times.
objbut having all nested keys represented by flat keys within the returned object.