public HRESULT ActivateSpatialAudioMetadataCopier(ISpatialAudioMetadataCopier **metadataCopier)
 {
     return(((delegate * unmanaged <ISpatialAudioMetadataClient *, ISpatialAudioMetadataCopier **, int>)(lpVtbl[6]))((ISpatialAudioMetadataClient *)Unsafe.AsPointer(ref this), metadataCopier));
 }
 public int ActivateSpatialAudioMetadataCopier([NativeTypeName("ISpatialAudioMetadataCopier **")] ISpatialAudioMetadataCopier **metadataCopier)
 {
     return(((delegate * stdcall <ISpatialAudioMetadataClient *, ISpatialAudioMetadataCopier **, int>)(lpVtbl[6]))((ISpatialAudioMetadataClient *)Unsafe.AsPointer(ref this), metadataCopier));
 }