anchor.diff:  
   [source,scala]
   ----
  +import domino._
  +
   class MyActivator extends DominoActivator {
     whenBundleActive {
       new MyService().providesService[MyService]
  
positive.code: 
  [source,scala]
  ----
  class MyActivator extends DominoActivator {
    whenBundleActive {
      new MyService().providesService[MyService, Service](
  
negative.code: 
  [source,scala]
  ----
  import domino._
  
  class MyActivator extends DominoActivator {
    whenBundleActive {
      whenConfigurationActive("myServicePid") { confMap =>
  