message: using MonoSynthOptions in constructor
diff: @@ -6,7 +6,6 @@ import { readOnly, RecursivePartial } from "../core/util/Interface";
  import { Monophonic, MonophonicOptions } from "../instrument/Monophonic";
  import { OmniOscillator } from "../source/oscillator/OmniOscillator";
  import { Source } from "../source/Source";
  -import { Synth, SynthOptions } from "./Synth";
  import { FrequencyEnvelope, FrequencyEnvelopeOptions } from "../component/envelope/FrequencyEnvelope";
  import { NormalRange, Seconds, Time } from "../core/type/Units";
  import { Signal } from "../signal/Signal";
  @@ -71,7 +70,7 @@ export class MonoSynth extends Monophonic<MonoSynthOptions> {
  */
  readonly envelope: AmplitudeEnvelope;
  - constructor(options?: RecursivePartial<SynthOptions>);
  + constructor(options?: RecursivePartial<MonoSynthOptions>);
  constructor() {
  super(optionsFromArguments(MonoSynth.getDefaults(), arguments));
  const options = optionsFromArguments(MonoSynth.getDefaults(), arguments);
  