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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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/*

 * @test

 * @summary Graph inference: missing incorporation step causes spurious inference error

 * @compile TargetType69.java

 */

import java.util.*;

class TargetType69 {

    interface Function<X,Y> {

        Y m(X x);

    }

    abstract class TabulationAssertion<T, U> { }

    class GroupedMapAssertion<K, M1 extends Map<K, ?>> extends TabulationAssertion<Integer, M1> {

        GroupedMapAssertion(Function<Integer, K> classifier) { }

    }

    <T, M2 extends Map> void exerciseMapTabulation(Function<T, ? extends M2> collector,

                                                             TabulationAssertion<T, M2> assertion)  { }

    void test(Function<Integer, Integer> classifier, Function<Integer, Map<Integer, List<Integer>>> coll) {

        exerciseMapTabulation(coll, new GroupedMapAssertion<>(classifier));

    }

}