# Retrieve an `Array` of `Object` serialized via `[]=` function
	# Returns `null` if there's no serialized `Array` corresponding to the given key
	# or if it's the wrong value type
	# Make sure that the serialized objects are `serialize` or that they
	# redefine the appropriate methods. Refer to `Serializable` documentation
	# for further details
	fun deserialize_array(key: String): nullable Array[nullable Object]
	do
		var serialized_array = self.array_of_string(key)

		if serialized_array == null then return null

		var deserialized_array = new Array[nullable Object]

		for serialized_element in serialized_array do
			var deserializer = new JsonDeserializer(serialized_element)
			deserialized_array.add(deserializer.deserialize)
		end

		return deserialized_array
	end