Let's say that I have a app folder which is the root folder of my application.
If I now have a child folder called "second" inside the app folder (app is the parent folder and the child folder is "second") will the child folder which also has a service and is provided in his own module BE VISIBLE in the parent folder if I use the service (import it from the child) in the app.component.ts and consume it's fields, methods, or will it be only visible in the child folder and nowhere else?