lambda: check more specific method based on lambda return types with wildcards

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/AmbiguityReturnValueResolution2.java

@@ -0,0 +1,27 @@
+public class Test<A, B extends Number>  {
+    interface IO<T> {
+        T _(Object o);
+    }
+
+    interface IN<T extends Number> {
+        T _(Object o);
+    }
+
+
+    private void foo(IO<? extends A> <warning descr="Parameter 'p' is never used">p</warning>) {}
+    private void <warning descr="Private method 'foo(Test.IN<? extends B>)' is never used">foo</warning>(IN<? extends B> <warning descr="Parameter 'p' is never used">p</warning>) {}
+
+
+    private static class Inner<A extends Object, B extends Number> {
+        private void <warning descr="Private method 'm8(Test.IO<? extends A>)' is never used">m8</warning>(IO<? extends A> <warning descr="Parameter 'p' is never used">p</warning>) {}
+        private void m8(IN<? extends B> <warning descr="Parameter 'p' is never used">p</warning>) {}
+    }
+
+    public static void main(String[] args) {
+        Inner<Number, Double> inn = new Inner<>();
+        inn.m8(p -> 1.0);
+        new Test<Number, Integer>().foo(p -> 1.0);
+
+    }
+}
+

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/ReturnTypeSpecific.java

@@ -58,11 +58,11 @@ class MyTest1 {
         System.out.println(i);
     }
 
-    private static void m(I2 i) {
+    private static void <warning descr="Private method 'm(MyTest1.I2)' is never used">m</warning>(I2 i) {
         System.out.println(i);
     }
 
-    private static void <warning descr="Private method 'm(MyTest1.I3)' is never used">m</warning>(I3 i) {
+    private static void m(I3 i) {
         System.out.println(i);
     }