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import org.checkerframework.checker.guieffect.qual.*;
public class Specialization {
@PolyUIType
public static interface I {
@PolyUIEffect
public void m();
}
public static void reqSafe(@AlwaysSafe I i) {}
@UIEffect
public static void reqUI(@UI I i) {}
@PolyUIType
public static interface Doer {
public void doStuff(@PolyUI Doer this, @PolyUI I i);
}
@AlwaysSafe public static class SafeDoer implements @AlwaysSafe Doer {
// :: error: (override.param.invalid)
public void doStuff(@AlwaysSafe SafeDoer this, @AlwaysSafe I i) {}
}
public void q(@AlwaysSafe Doer doer, @UI I i) {
doer.doStuff(i);
}
public static void main(String[] args) {
@AlwaysSafe Doer d =
new @AlwaysSafe Doer() {
@SafeEffect
// :: error: (override.param.invalid)
public void doStuff(@AlwaysSafe I i) {
reqSafe(i);
}
};
@UI I ui =
new @UI I() {
public void m() {
reqUI(null);
}
};
Specialization q = new Specialization();
q.q(d, ui);
}
}
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