R��mi Bernon (@rbernon) commented about include/windows.media.speechsynthesis.idl:
[propget] HRESULT AudioVolume([out, retval] DOUBLE *value);[propput] HRESULT AudioVolume([in] DOUBLE value);[propget] HRESULT SpeakingRate([out, retval] DOUBLE *value);[propput] HRESULT SpeakingRate([in] DOUBLE value);[propget] HRESULT AudioPitch([out, retval] DOUBLE *value);[propput] HRESULT AudioPitch([in] DOUBLE value);- }
 - [
 contract(Windows.Foundation.UniversalApiContract, 6.0),exclusiveto(Windows.Media.SpeechSynthesis.SpeechSynthesizerOptions),uuid(401ed877-902c-4814-a582-a5d0c0769fa8)- ]
 - interface ISpeechSynthesizerOptions3 : IInspectable
 - {
 [propget] HRESULT AppendedSilence([out, retval] Windows.Media.SpeechSynthesis.SpeechAppendedSilence *value);
Could this be merged with the previous commit? The enums are only needed for this interface.