checker/tests/guieffect/WeakeningChild.java

import org.checkerframework.checker.guieffect.qual.SafeEffect;

// Should not inherit @UI!
public class WeakeningChild extends UIParent {
  // Should be valid to override @UI methods with @AlwaysSafe methods
  @Override
  @SafeEffect
  public void doingUIStuff() {}

  @Override
  public void doingSafeStuff() {}
}