IDEA-161862 Lambda Expressions not showing as implementations of an interface

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/findUsages/ChainStartingWithConstructor.java

@@ -0,0 +1,17 @@
+class A {
+
+  void foo() {
+    new IterHelper<>().loopMap((k, val) -> {
+      //do something
+    });
+  }
+}
+
+final class IterHelper<K, V> {
+  public void loopMap(final MapIterCallback<K, V> callback) {
+    //do something
+  }
+  public static interface MapIterCallback<K, V> {
+    abstract void eval(K k, V v);
+  }
+}