# File lib/chef/provider/package/ips.rb, line 34
        def define_resource_requirements
          super
        
          requirements.assert(:all_actions) do |a|
            a.assertion { ! @candidate_version.nil? }
            a.failure_message Chef::Exceptions::Package, "Package #{@new_resource.package_name} not found"
            a.whyrun "Assuming package #{@new_resource.package_name} would have been made available."
          end 
        end