method references: smart completion to filter by return type

java/java-tests/testData/codeInsight/completion/smartType/FilteredMethodReference-out.java

@@ -0,0 +1,13 @@
+class Test {
+  interface I {
+    int foo();
+  }
+
+  static int aa() {
+    return 0;
+  }
+
+  {
+    I i = Test::aa
+  }
+}

java/java-tests/testData/codeInsight/completion/smartType/FilteredMethodReference.java

@@ -0,0 +1,13 @@
+class Test {
+  interface I {
+    int foo();
+  }
+
+  static int aa() {
+    return 0;
+  }
+
+  {
+    I i = Test::<caret>
+  }
+}

java/java-tests/testData/codeInsight/completion/smartType/NotAvailableInLambdaPositionAfterQualifier.java

@@ -4,6 +4,6 @@ class Test {
   }
 
   {
-    I i = Test::<caret>
+    I i = Unknown::<caret>
   }
 }