A map of nodes of interest as keys and values a set of classes, if implemented by an ancestors then the node should be excluded from processing by this processor
i.e.
A map of nodes of interest as keys and values a set of classes, if implemented by an ancestors then the node should be excluded from processing by this processor
i.e. DoNotDecorate.class if the processor adds links so that existing links will be ignored.
Returns:
a map of desired node types mapped to a set of ancestors under which the post processor does not process the block