rename suggestions: suggest new names for non-variables (IDEA-121982)

java/java-tests/testData/refactoring/renameInplace/NameSuggestion.java

@@ -0,0 +1,7 @@
+class MyTest {
+    
+    static class Foo {
+    }
+
+    static Foo get<caret>_i() { return null; }
+}

java/java-tests/testData/refactoring/renameInplace/NameSuggestion_after.java

@@ -0,0 +1,7 @@
+class MyTest {
+    
+    static class Foo {
+    }
+
+    static Foo getI() { return null; }
+}