GITHUB-34: final methods, interfaces and enums

testdata-superloader/src/main/java/grails/Implementation1.java

@@ -0,0 +1,10 @@
+package grails;
+
+public abstract class Implementation1<T> implements Interface1<T> {
+
+    @Override
+    public final T process1(T type) {
+        return type;
+    }
+
+}

testdata-superloader/src/main/java/grails/Interface1.java

@@ -0,0 +1,6 @@
+package grails;
+public interface Interface1<T> {
+
+    public T process1(T type);
+
+}