AbstractRemoves all elements from the Map.
true if an element in the Map existed and has been removed, or false if the element does not exist.
Protected AbstractdeserializeOptionalthisArg: anyReturns an iterable of keys in the map
Returns an iterable of values in the map
A map with keys that are serializable. Serialized keys are considered equal if their serialized values are equal. Otherwise, the map behaves like a regular Map.