# Retrieves the `String` value corresponding to the given key
	# Returns `null` if none or if it's the wrong value type
	fun string(key: String): nullable String
	do
		sys.jni_env.push_local_frame(2)

		var jstr = native_bundle.get_string(key.to_java_string)
		var str = null
		if not jstr.is_java_null then str = jstr.to_s

		sys.jni_env.pop_local_frame

		return str
	end