`TInstanceGroup`
pt		SetcreationTimestamp
pt		Setdescription
pt		Setfingerprint
pt		Setid
pt		Setkind
pt		Setname
pt		SetnamedPorts
pt		Setnetwork
pt		SetselfLink
pt		Setsize
pt		Setsubnetwork
pt		Setzone

`TGoogleBaseObject`
		AllowAdditionalProperties