question: public String generateDeviceSpecificDeleteWorkflow ( Workflow workflow , String previousStep , ExportGroup exportGroup , ExportMask mask , List < URI > volumes , List < URI > initiators , StorageSystem storage ) throws Exception { String unMaskStep = generateExportMaskDeleteWorkflow ( workflow , previousStep , storage , exportGroup , mask , volumes , initiators , null ) ; return generateZoningDeleteWorkflow ( workflow , unMaskStep , exportGroup , Arrays . asList ( mask ) ) ; }
target:  Generates device specific workflow steps to delete zoning & exportmask.