api about service HOT 3 CLOSED

If you ONLY want that core using those web api's, then that package could be placed there. That is the criteria. If this is a package that will be used by all core packages, put it under foundation and follow those policy rules. If this package will only be used by that particular core package, put it under.

from service.

This directory is not supposed to be used only for connection, it is supposed to have APIs required by core, implemented like a store, for example, we will implement the api to get the flight list, the packages required for connection will be implemented in foundation

from service.

Again, the decision needs to be made based on the reusability of the package. It seems like this can live in a layer under the core package like the storage layer. Try that first and see how it feels. You can always move it later.

from service.