		AllowAdditionalProperties (TGoogleBaseObject)
pt		SetcanReply (TCommentThreadSnippet)
pt		SetchannelId (TCommentThreadSnippet)
pt		SetisPublic (TCommentThreadSnippet)
pt		SettopLevelComment (TCommentThreadSnippet)
pt		SettotalReplyCount (TCommentThreadSnippet)
pt		SetvideoId (TCommentThreadSnippet)