/// <reference types="node" />
import { EventEmitter } from "events";
import { DeviceInterface } from "./DeviceInterface";
export declare type ScannerType = "noble" | "noble-websocket";
export declare type ScannerOptions = {
    websocketHost?: string;
    websocketPort?: number;
    websocketAesKey?: string;
    websocketUsername?: string;
    websocketPassword?: string;
};
export declare type ScannerStateType = "unknown" | "starting" | "scanning" | "stopping" | "stopped";
export interface ScannerInterface extends EventEmitter {
    scannerState: ScannerStateType;
    startScan(passive: boolean): Promise<boolean>;
    stopScan(): Promise<boolean>;
    getState(): ScannerStateType;
    on(event: "ready", listener: () => void): this;
    on(event: "discover", listener: (device: DeviceInterface) => void): this;
    on(event: "scanStart", listener: () => void): this;
    on(event: "scanStop", listener: () => void): this;
}