import { type PeriodicWave } from "https://deno.land/x/ogone@revb3/src/ogone.dom.d.ts";
PeriodicWave has no inputs or outputs; it is used to define custom oscillators when calling OscillatorNode.setPeriodicWave(). The PeriodicWave itself is created/returned by AudioContext.createPeriodicWave().