@Override
	MessageExoType getMessageExoType(String arrow) {
		if (arrow.contains(">")) {
			return MessageExoType.FROM_LEFT;
		}
		if (arrow.contains("<")) {
			return MessageExoType.TO_LEFT;
		}
		if (arrow.startsWith("/") || arrow.startsWith("[/") || arrow.startsWith("\\") || arrow.startsWith("[\\")) {
			return MessageExoType.TO_LEFT;
		}
		if (arrow.endsWith("\\") || arrow.endsWith("/")) {
			return MessageExoType.FROM_LEFT;
		}
		throw new IllegalArgumentException(arrow);
	}