Example:
bootstrap(MyAppComponent, [
  bind(ShadowDomStrategy).toClass(NativeShadowDomStrategy),
  bind(AwesomeService)
]);
 
Does not work. It's a little non-intuitive why.
bootstrap(MyAppComponent, [
  bind(ShadowDomStrategy).toClass(NativeShadowDomStrategy),
  AwesomeService
]);
 
Does work.
Either error should be improved, or bind() (BindingBuilder) should implement Binding interface