`TActivity`
pt		ExportPropertyName
pt		Setaccess
pt		Setactor
pt		Setaddress
pt		Setannotation
pt		SetcrosspostSource
pt		Setetag
pt		Setgeocode
pt		Setid
pt		Setkind
pt		Setlocation
pt		Set_object
pt		SetplaceId
pt		SetplaceName
pt		Setprovider
pt		Set_published
pt		Setradius
pt		Settitle
pt		Setupdated
pt		Seturl
pt		Setverb

`TGoogleBaseObject`
		AllowAdditionalProperties