import { Logger } from 'homebridge';
import { SerialMessage } from './ajaxSerialMessage';
export declare class UartListener {
    private readonly log;
    private _observers;
    private static _instance;
    private constructor();
    static instance(logger: Logger): UartListener;
    registerObserverForDevice(deviceId: string, observer: (msg: SerialMessage) => void): void;
}
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