    # File lib/fog/aws/requests/auto_scaling/create_launch_configuration.rb, line 74
            def create_launch_configuration(image_id, instance_type, launch_configuration_name, options = {})
              if data[:launch_configurations].has_key?(launch_configuration_name)
                raise Fog::AWS::AutoScaling::IdentifierTaken.new("Launch Configuration by this name already exists - A launch configuration already exists with the name #{launch_configuration_name}")
              end
              data[:launch_configurations][launch_configuration_name] = {
                'BlockDeviceMappings'     => [],
                'CreatedTime'             => Time.now.utc,
                'ImageId'                 => image_id,
                'InstanceMonitoring'      => {'Enabled' => true},
                'InstanceType'            => instance_type,
                'KernelId'                => nil,
                'KeyName'                 => nil,
                'LaunchConfigurationARN'  => "arn:aws:autoscaling:eu-west-1:000000000000:launchConfiguration:00000000-0000-0000-0000-000000000000:launchConfigurationName/#{launch_configuration_name}",
                'LaunchConfigurationName' => launch_configuration_name,
                'RamdiskId'               => nil,
                'SecurityGroups'          => [],
                'UserData'                => nil
              }.merge!(options)

              response = Excon::Response.new
              response.status = 200
              response.body = {
                'ResponseMetadata' => { 'RequestId' => Fog::AWS::Mock.request_id }
              }
              response
            end