GuessTypeParameters: explicitly set type element to the expected type

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/genericCreateFromUsage/after6.java

@@ -0,0 +1,11 @@
+// "Create method 'foo'" "true"
+interface Generic<T> {
+    List<List<T>> foo();
+}
+
+class Usage {
+
+  List<List<String>> usage(Generic<String> g) {
+    return g.foo();
+  }
+}