%% Before: WebApp's domain classes inherit from DbBase (EF),
%% which depends on DbContext. Relations live inside the DB-backed classes.
classDiagram
    class DbContext {
        +SaveChangesAsync()
    }
    class DbBase {
        +Guid id
    }
    class WebApp {
        <<Web App>>
    }
    class Client {
        +Guid id
        +string name
    }
    class Order {
        +Guid id
    }

    DbBase --> DbContext : uses (EF)
    WebApp ..> DbBase : depends on
    Client --|> DbBase : inherits
    Order --|> DbBase : inherits
    WebApp --> Client
    WebApp --> Order
    Client "1" --> "*" Order : has many
    Order "*" --> "1" Client : open / close