Deno.KvEntryMaybeUNSTABLE: New API, yet to be vetted. An optional versioned pair of key and value in a Deno.Kv. This is the same as a KvEntry, but the value and versionstamp fields may be null if no value exists for the given key in the KV store. type KvEntryMaybe<T> = KvEntry<T> | {key: KvKey; value: null; versionstamp: null; };§Type Parameters§T[src]§Type§KvEntry<T> | {key: KvKey; value: null; versionstamp: null; }[src]