message: exporting options from SignalOperator
diff: import { optionsFromArguments } from "..//core/util/Defaults";
  import { InputNode, ToneAudioNode, ToneAudioNodeOptions } from "../core/context/ToneAudioNode";
  import { connectSignal } from "./Signal";
  +
  +export type SignalOperatorOptions = ToneAudioNodeOptions;
  +
  /**
  * A signal operator has an input and output and modifies the signal.
  */
  -export abstract class SignalOperator<Options extends ToneAudioNodeOptions> extends ToneAudioNode<Options> {
  +export abstract class SignalOperator<Options extends SignalOperatorOptions> extends ToneAudioNode<Options> {
  constructor(options?: Partial<Options>);
  constructor() {
  