@league-of-foundry-developers/foundry-vtt-types/src/types/lib.d.mts

TypeScript type definitions for Foundry VTT

import type { Identity } from "#utils";

declare global {
  namespace AudioNode {
    interface Any extends AnyAudioNode {}
    interface AnyConstructor extends Identity<typeof AnyAudioNode> {}
  }
}

declare abstract class AnyAudioNode extends AudioNode {
  constructor(...args: never);
}