prefer method with more specific return type (IDEA-67729)

java/java-tests/testData/codeInsight/overrideImplement/beforeInterfaceAndAbstractClass.java

@@ -0,0 +1,14 @@
+abstract class A {
+  public abstract D foo();
+}
+
+interface B {
+  F foo();
+}
+
+class C extends A implements B {
+    <caret>
+}
+
+class D {}
+class F extends D {}