message: exposing ToneAudioBuffers
diff: @@ -4,6 +4,7 @@ export { Context } from "./context/Context";
  export { OfflineContext } from "./context/OfflineContext";
  export { Offline } from "./context/Offline";
  export { ToneAudioBuffer } from "./context/ToneAudioBuffer";
  +export { ToneAudioBuffers } from "./context/ToneAudioBuffers";
  export { Delay } from "./context/Delay";
  export { Clock } from "./clock/Clock";
  export { Frequency } from "./type/Frequency";
  