`TVideoSnippet`
pt		SetcategoryId
pt		SetchannelId
pt		SetchannelTitle
pt		SetdefaultAudioLanguage
pt		SetdefaultLanguage
pt		Setdescription
pt		SetliveBroadcastContent
pt		Setlocalized
pt		SetpublishedAt
pt		Settags
pt		Setthumbnails
pt		Settitle

`TGoogleBaseObject`
		AllowAdditionalProperties