PDEPanel Declarationprotocol PDEPanel TopicsInstance MethodspanelKind()panelName()panelView()ppdOptionKeyValueDidChange(_:ppdChoice:)printWindowWillClose(_:)restoreValues()saveValues()shouldHide()shouldPrint()shouldShowHelp()summaryInfo()supportedPPDOptionKeys()willShow() RelationshipsInherits FromNSObjectProtocol