package R1;
import java.util.concurrent.Executor;
public abstract class f {
public abstract f a(b bVar);
public abstract f b(Executor executor, b bVar);
public abstract f c(c cVar);
public abstract f d(d dVar);
public abstract Exception e();
public abstract Object f();
public abstract boolean g();
public abstract boolean h();
public abstract boolean i();
}
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