A URL map can only reference either a backend service or a backend bucket

[mountaincode2]

Hello,

I am reaching out with reference to the following:

https://cloud.google.com/load-balancing/docs/url-map-concepts

It says:

> When you create a URL map, you must specify either a default backend service or a default backend bucket, but not both.

However, in the introduction of the page, it says the following, which gives the impression that the same URL map is referencing both a backend service and a backend bucket:

For example, with an external Application Load Balancer, you can use a single URL map to route requests to different destinations based on the rules configured in the URL map:

• Requests for https://example.com/video go to one backend service.
• Requests for https://example.com/audio go to a different backend service.

• Requests for https://example.com/images go to a Cloud Storage backend bucket.

• Requests for any other host and path combination go to a default backend service.

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Assuming that the URL map is referencing a backend service, shoudln't it say:

• Requests for https://example.com/images to yet another backend service