max
fun <ID : Any, T> Field<ID, T>.maxIDWith(reductionType: ReductionType = ExcludingSelf, comparator: Comparator<FieldEntry<ID, T>>): ID?
Returns the ID of the entry that yields the largest value according to the given comparator.
Return
the ID of the entry with the greatest ordering, or null if none.
Parameters
reduction
specifies whether to include the local entry in the comparison (default is ExcludingSelf).
comparator
the comparator used to determine ordering between entries.