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TestHeuristic.java

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+import java.util.*;
+
+public class TestHeuristic {
+    public static void main(String[] args) {
+        System.out.println(isFullyQualifiedMethod("TransformerImpl.transform"));
+        System.out.println(isFullyQualifiedMethod("Transformer.transform"));
+    }
+    
+    private static boolean isFullyQualifiedMethod(String methodFqn) {
+        if (methodFqn == null || !methodFqn.contains(".")) return false;
+        int lastDot = methodFqn.lastIndexOf('.');
+        String classPart = methodFqn.substring(0, lastDot);
+        if (classPart.contains(".")) return true;
+        if (!classPart.isEmpty() && Character.isUpperCase(classPart.charAt(0))) return true;
+        return false;
+    }
+}