NOTE: the latest version is 4.3.1
Version 4 UUIDs are randomly-generated. To generate version 4 UUIDs, see UUID.Version4.Variant1.generator or UUID.Version4.Variant2.generator.
Encode a version 4 UUID of any variant as a JSON string.
Decodes a version 4 UUID of any variant from a JSON string.
Encode a version 4 UUID of any variant as a JSON string.