import type { FormatConfig } from "./connection.js";
import type { AudioWorkletConfig } from "../BaseConversation.js";
import type { OutputController, OutputDeviceConfig } from "../OutputController.js";
export type OutputConfig = OutputDeviceConfig;
export type OutputAudioEvent = {
    audio_base_64: string;
};
export type OutputListener = (event: OutputAudioEvent) => void;
export type OutputEventTarget = {
    addListener(listener: OutputListener): void;
    removeListener(listener: OutputListener): void;
};
export type PlaybackStateEvent = MessageEvent<{
    type: "process";
    finished: boolean;
}>;
export type PlaybackListener = (event: PlaybackStateEvent) => void;
export type PlaybackEventTarget = {
    addListener(listener: PlaybackListener): void;
    removeListener(listener: PlaybackListener): void;
};
export declare class MediaDeviceOutput implements OutputController, PlaybackEventTarget {
    private readonly context;
    private readonly analyser;
    private readonly gain;
    private readonly worklet;
    private readonly audioElement;
    static create({ sampleRate, format, outputDeviceId, workletPaths, libsampleratePath, }: FormatConfig & OutputConfig & AudioWorkletConfig): Promise<MediaDeviceOutput>;
    private volume;
    private interrupted;
    private interruptTimeout;
    private readonly volumeProvider;
    private constructor();
    getAnalyser(): AnalyserNode;
    getVolume(): number;
    getByteFrequencyData(buffer: Uint8Array<ArrayBuffer>): void;
    addListener(listener: PlaybackListener): void;
    removeListener(listener: PlaybackListener): void;
    setVolume(volume: number): void;
    playAudio(chunk: ArrayBuffer): void;
    interrupt(resetDuration?: number): void;
    setDevice(config?: Partial<FormatConfig> & OutputDeviceConfig): Promise<void>;
    close(): Promise<void>;
}
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