import { Device, IEEEEAddress, BridgeInfo } from "./types";
export declare type Devices = Record<IEEEEAddress, Device>;
export declare type DeviceState = Record<string, unknown>;
export declare type DeviceStates = Record<string, DeviceState>;
export interface ResponseWithStatus {
    status: "ok" | "error";
    data: unknown;
    error?: string;
    transaction?: string;
}
export declare type Observer<T> = {
    onMessage(devices: T): void;
    onClose(reason: Error): void;
};
export declare type DeviceObserver = Observer<Devices>;
export declare type DeviceStateObserver = Observer<DeviceStates>;
export declare type BridgeInfoObserver = Observer<BridgeInfo>;
declare class Api {
    private socket?;
    private requests;
    private responses;
    private deviceObservers;
    private deviceStateObservers;
    private bridgeInfoObservers;
    private transactionNumber;
    private transactionRndPrefix;
    constructor();
    subscribeToDevices: (deviceObserver: DeviceObserver) => void;
    unsubscribeFromDevices: (deviceObserver: DeviceObserver) => void;
    subscribeToDeviceStates: (deviceStateObserver: DeviceStateObserver) => void;
    unsubscribeFromDeviceStates: (deviceStateObserver: DeviceStateObserver) => void;
    subscribeToBridgeInfo: (bridgeInfoObserver: BridgeInfoObserver) => void;
    unsubscribeFromBridgeInfo: (bridgeInfoObserver: BridgeInfoObserver) => void;
    send: (topic: string, payload?: Record<string, unknown>) => Promise<any>;
    urlProvider: () => string;
    connect(): void;
    private onObserverAttached;
    private processBridgeMessage;
    private processDeviceStateMessage;
    private resolvePromises;
    closeSocketIfUnused(): void;
    private onMessage;
    private onClose;
}
declare const _default: Api;
export default _default;
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