anchor.diff:        app: "application-one"
         environment: "production"
         foo: "bar"
  -  - name: app-2
  +  - 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
  
positive.code:     tags: ["foo", "bar"]
  
  namespaces:
    - name: app-1
      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
  
negative.code:   }
  }
  
  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"
  