Unexpected module 'BrMaskerModule in
.../ionic/app/node_modules/brmasker-ionic-3/dist/app.module.d.ts' declared
by the module 'SomePageModule in
.../ionic/app/src/pages/some-page/some-page.module.ts'.
Please add a @Pipe/@Directive/@Component annotation.
Looks like this has an error on an AoT build: