# Retrieves the `Array[Float]` value corresponding to the given key
	# Returns the `null` if none or if it's the wrong value type
	fun array_of_float(key: String): nullable Array[Float]
	do
		sys.jni_env.push_local_frame(1)
		var return_value = native_bundle.get_double_array(key.to_java_string)
		sys.jni_env.pop_local_frame

		if return_value.is_empty then return null

		return return_value
	end