Unique IDs are now generalized around unique numbers and are now backed by the UniqueNumber class.
Unique IDs are now generalized around unique numbers and are now backed by the UniqueNumber class.

Preamble-BDD/preamble.ts.core,Preamble-BDD/preamble.ts,Preamble-BDD/preamble.ts.core,Preamble-BDD/preamble.ts