code: public void add(ServiceReference<S> declarationBinderRef) throws InvalidFilterException {
          BinderDescriptor binderDescriptor = new BinderDescriptor(declarationBinderRef);
          declarationBinders.put(declarationBinderRef, binderDescriptor);
      }
docs: Add the declarationBinderRef to the ImportersManager, create the corresponding.
  BinderDescriptor.
  
  @param declarationBinderRef the ServiceReference<DeclarationBinder> of the DeclarationBinder
  @throws InvalidFilterException