These types are only used in the generated typings files to provide information to the Angular compiler in order that it can compile code in downstream libraries and applications. This commit aliases these types to `unknown` to avoid exposing the previous alias types such as `ɵɵDirectiveDef`, which are internal to the compiler. PR Close #41119
Angular
The sources for this package are in the main Angular repo. Please file issues and pull requests against that repo.
Usage information and reference details can be found in Angular documentation.
License: MIT