/// <reference types="dom-webcodecs" />
/// <reference types="dom-mediacapture-transform" />
export declare class Microphone {
    static isSupport(): boolean;
    private encoder;
    private currentTrack?;
    constructor(onOutput?: (data: EncodedAudioChunk) => void);
    start(): Promise<void>;
    feed(track: MediaStreamAudioTrack): Promise<void>;
    stop(): void;
}