- This layer is not visible by default and must be enabled in the filter by the user.
- This layer cannot be toggled in the filter view. If you import this layer in your theme, override `title` to make this toggleable.
- This layer is not visible by default and the visibility cannot be toggled, effectively resulting in a fully hidden layer. This can be useful, e.g. to calculate some metatags. If you want to render this layer (e.g. for debugging), enable it by setting the URL-parameter layer-<id>=true
- Not visible in the layer selection by default. If you want to make this layer toggable, override `name`
- Not rendered on the map by default. If you want to rendering this on the map, override `mapRenderings`
- This layer is needed as dependency for layer [address](#address)