/// <reference types="node" />
import { EventEmitter } from 'events';
import { ISensor } from './Sensor';
export declare class FakeAlert extends EventEmitter implements ISensor {
    private readonly alertReading;
    private readonly loop;
    private readonly defaultSampleRate;
    private readonly alertSentences;
    private sentenceIndex;
    private started;
    private alertEmitterIntervalId;
    constructor(alertReading: string, loop: boolean, defaultSampleRate: number);
    private readAlertData;
    private emitAlertData;
    start(): Promise<void>;
    private cleanUpAndStartEmitting;
    stop(): void;
    isStarted(): boolean;
}
