// Test case for Issue #2686
// https://github.com/typetools/checker-framework/issues/2686

import org.checkerframework.common.value.qual.UnknownVal;

public class MyTree2<Value> {

    public static <V> MyTree2<V> newTree(V value) {
        throw new Error("body doesn't matter");
    }

    public MyTree2<Value> put(String newKey, Value newValue) {
        throw new Error("body doesn't matter");
    }

    public void client1() {
        MyTree2<String> root2 = MyTree2.newTree("constructorarg").put("key1", "value1");
    }

    public void client2() {
        MyTree2<String> root2 =
                MyTree2.newTree((@UnknownVal String) "constructorarg").put("key1", "value1");
    }

    public void client3() {
        MyTree2<String> root2 =
                MyTree2.<String>newTree((@UnknownVal String) "constructorarg")
                        .put("key1", "value1");
    }
}