`TPDFPageObject`
	ro	ParentRef
	ro	Parent
	ro	Contents
	ro	ContentRef
	ro	ContentCount
	ro	CommandList
	ro	Resources

`TPDFIndirect`
	ro	Document
	ro	Stream
		UnfilteredStream
		ObjectID
		ObjectGeneration
	ro	ObjectDict
	ro	ObjectType
		ObjectPositions

`TPDFContainer`
	ro	Count
		Objects

`TPDFObject`