public void AddRequiredExtension(IFrameExtension extension)
 {
     _allAvailableExtensions.Add(extension);
     _requiredForHandshake.Add(extension);
 }
 public void AddOptionalExtension(IFrameExtension extension)
 {
     _allAvailableExtensions.Add(extension);
     _optionalForHandshake.Add(extension);
 }
 public void AddOptionalExtension(IFrameExtension extension)
 {
     _allAvailableExtensions.Add(extension);
     _optionalForHandshake.Add(extension);
 }
 public void AddRequiredExtension(IFrameExtension extension)
 {
     _allAvailableExtensions.Add(extension);
     _requiredForHandshake.Add(extension);
 }