kotlin-fork/j2k/testData/fileOrElement/assertStatement/assertNotNull.java

abstract class C {
    void foo() {
        String s1 = f();
        assert s1 != null;

        String s2 = g();
        assert s2 != null : "g should not return null";
        int h = s2.hashCode();
    }

    abstract void f(): String;
    abstract void g(): String;
}