message: docs: rename "internal" access modifier to "protected"
  PR Close
diff: @@ -453,7 +453,7 @@ The compiler understands all syntax forms that the _collector_ supports, but it
  The compiler can only reference _exported symbols_.
  -Decorated component class members must be public. You cannot make an `@Input()` property private or internal.
  +Decorated component class members must be public. You cannot make an `@Input()` property private or protected.
  Data bound properties must also be public.
  