anchor.diff:    }
   }
   
  -namespace "app-1" {
  +namespace "app1" {
     format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\""
     source_files = [
       "/var/log/nginx/app1/access.log"
  
positive.code:   }
  }
  
  namespace "app-2" {
    format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\" $upstream_response_time"
    source_files = [
      "/var/log/nginx/app2/access.log"
  
negative.code:       app: "application-one"
        environment: "production"
        foo: "bar"
    - name: app2
      format: "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\" $upstream_response_time"
      source_files:
        - /var/log/nginx/app2/access.log
  