/// <reference types="node" />
import { TranscriberPlugin, TranscriptionEvents, TypedEmitter } from "ivr-tester";
import { AVAILABLE_REGIONS, LANGUAGES } from "aws-transcribe/dist/types";
export declare class AmazonTranscribe extends TypedEmitter<TranscriptionEvents> implements TranscriberPlugin {
    private readonly region;
    private readonly languageCode;
    private static readonly debug;
    private readonly config;
    private stream;
    constructor(region: AVAILABLE_REGIONS, languageCode: LANGUAGES);
    private static convertAudioEncoding;
    private getStream;
    private createStream;
    close(): void;
    transcribe(payload: Buffer): void;
    transcriptionComplete(): void;
}