# File lib/chef/provider/group/dscl.rb, line 87
        def define_resource_requirements
          super
          requirements.assert(:all_actions) do |a| 
            a.assertion { ::File.exists?("/usr/bin/dscl") } 
            a.failure_message Chef::Exceptions::Group, "Could not find binary /usr/bin/dscl for #{@new_resource.name}"
            # No whyrun alternative: this component should be available in the base install of any given system that uses it
          end
        end