The following keywords are for examining, for keeping and for removing data information in the image about structured data: structures, classes and so on.
:classes-to-keep-effective-slots :classes-to-keep-effective-slots :generic-function-collapse :gf-collapse-output-file :gf-collapse-tty-output :keep-all-classes :keep-clos :keep-clos-object-printing :keep-structure-info :metaclasses-to-keep-effective-slots :shake-class-accessors :shake-class-direct-methods :structure-packages-to-keep :warn-on-missing-templates