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public class Main {
 
	static class HasId<I> {}
	static class HasStringId extends HasId<String> {}
	static class Alert<T extends /*Some*/Object> extends HasStringId {}
	static class BaseController<M extends HasId<String>> {
	    // abstract Class<M> getModelClass();
	}
	@SuppressWarnings("rawtypes")
	static class AlertController extends BaseController<Alert> { // error here
	    // @Override Class<Alert> getModelClass() {
	    //     return Alert.class;
	    // }
	}
 
	public static void main(String[] args) { }
}

Main.java:10: error: type argument Alert is not within bounds of type-variable M
	static class AlertController extends BaseController<Alert> { // error here
	                                                    ^
  where M is a type-variable:
    M extends HasId<String> declared in class BaseController
1 error

Standard output is empty