declare module "node-audiorecorder" {
  import { EventEmitter } from "events";
  import { SpawnOptions } from "child_process";
  import { Readable } from "stream";

  export type AudioRecorderOptions = {
    program?: "rec" | "arecord" | "sox";
    device?: string | null;
    driver?: string | null;
    bits?: number;
    channels?: number;
    encoding?: string;
    format?: string;
    rate?: number;
    type?: string;
    silence?: number;
    thresholdStart?: number;
    thresholdStop?: number;
    keepSilence?: boolean;
  };

  export type Logger = Pick<Console, "log" | "warn" | "error">;

  class AudioRecorder extends EventEmitter {
    /**
     * Constructor of AudioRecord class.
     * @param {Object} options Object with optional options variables
     * @param {Object} logger Object with log, warn, and error functions
     * @returns {AudioRecorder} this
     */
    constructor(options?: AudioRecorderOptions, logger?: Logger);
    /**
     * Creates and starts the audio recording process.
     */
    start(): this;
    /**
     * Stops and removes the audio recording process.
     */
    stop(): this;
    /**
     * Get the audio stream of the recording process.
     */
    stream(): Readable | null;

    readonly options: AudioRecorderOptions;

    readonly logger?: Logger;

    private _childProcess:
      | import("child_process").ChildProcessWithoutNullStreams
      | null;

    private _command: {
      arguments: string[];
      options: SpawnOptions;
    };
  }

  export default AudioRecorder;
}