Guice - One Module per Service.scala

class ServiceAModule extends ScalaModule {
  def configure() {
    bind[ClassC].to[CommonImplementation]
    bind[ClassA].to[ImplementationA]
  }
  def classDProviderForServiceA: ClassD = serviceAInstanceOfClassD
}
 
class ServiceBModule extends ScalaModule {
  def configure() {
    bind[ClassC].to[CommonImplementation]
    bind[ClassB].to[ImplementationB]
  }
  def classDProviderForServiceB: ClassD = serviceBInstanceOfClassD
}