/// <reference types="node" />
import { ISpeechConfigAudioDevice } from "../common.speech/Exports.js";
import { AudioSourceEvent, EventSource, IAudioSource, IAudioStreamNode } from "../common/Exports.js";
import { AudioStreamFormatImpl } from "../sdk/Audio/AudioStreamFormat.js";
export declare class FileAudioSource implements IAudioSource {
    private privAudioFormatPromise;
    private privStreams;
    private privId;
    private privEvents;
    private privSource;
    private privFilename;
    private privHeaderEnd;
    constructor(file: File | Buffer, filename?: string, audioSourceId?: string);
    get format(): Promise<AudioStreamFormatImpl>;
    turnOn(): Promise<void>;
    id(): string;
    attach(audioNodeId: string): Promise<IAudioStreamNode>;
    detach(audioNodeId: string): void;
    turnOff(): Promise<void>;
    get events(): EventSource<AudioSourceEvent>;
    get deviceInfo(): Promise<ISpeechConfigAudioDevice>;
    private readHeader;
    private upload;
    private onEvent;
}