import { Transform } from 'stream'; export interface OpusOptions {} export class OpusStream extends Transform { public encoder: any; // TODO: type opusscript/node-opus constructor(options: OpusOptions); public static readonly type: 'opusscript' | 'node-opus'; public setBitrate(bitrate: number): void; public setFEC(enabled: boolean): void; public setPLP(percentage: number): void; } export class Encoder extends OpusStream {} export class Decoder extends OpusStream {} export default { Encoder, Decoder }