Is this service deprecated? Depending on the target platform, this can emit Deprecated annotations for the service, or it will be completely ignored; in the very least, this is a formalization for deprecating services.
The parser stores options it doesn't recognize here. See above.
Is this service deprecated? Depending on the target platform, this can emit Deprecated annotations for the service, or it will be completely ignored; in the very least, this is a formalization for deprecating services.