    # File lib/fog/aws/models/elb/load_balancer.rb, line 22
            def initialize(attributes={})
              if attributes[:subnet_ids] ||= attributes['Subnets']
                attributes[:availability_zones] ||= attributes['AvailabilityZones']
              else
                attributes[:availability_zones] ||= attributes['AvailabilityZones']  || %w(us-east-1a us-east-1b us-east-1c us-east-1d)
              end
              unless attributes['ListenerDescriptions']
                new_listener = Fog::AWS::ELB::Listener.new
                attributes['ListenerDescriptions'] = [{
                  'Listener' => new_listener.to_params,
                  'PolicyNames' => new_listener.policy_names
                }]
              end
              attributes['Policies'] ||= {'AppCookieStickinessPolicies' => [], 'LBCookieStickinessPolicies' => []}
              super
            end