question: public boolean disableImageAccessSingleStep ( URI rpSystemId , URI exportGroupURI , List < URI > snapshots , boolean isRollback , String token ) throws ControllerException { try { WorkflowStepCompleter . stepExecuting ( token ) ; disableImageForSnapshots ( rpSystemId , snapshots , isRollback , false , token ) ; WorkflowStepCompleter . stepSucceded ( token ) ; } catch ( Exception e ) { _log . error ( String . format ( "disableImageAccessSingleStep Failed - Protection System: %s, export group: %s" , String . valueOf ( rpSystemId ) , String . valueOf ( exportGroupURI ) ) ) ; return stepFailed ( token , e , "disableImageAccessSingleStep" ) ; } return true ; }
target:  Workflow step method for disabling an image access