introduce functional: don't treat all parameters as ignored cause they could belong to for loops, nested classes not available at call site, etc

java/java-tests/testData/refactoring/introduceFunctionalParameter/afterInsideForLoop.java

@@ -0,0 +1,31 @@
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Function;
+
+class Test {
+
+  public void run() {
+    final Normalizer normalizer = new Normalizer();
+    final List<String> input = new ArrayList<>();
+    final List<String> output = new ArrayList<>();
+
+    doNormalize(input, output, new Function<String,String>() {
+        public String apply(String s) {
+            return normalizer.normalize(s);
+        }
+    });
+  }
+
+  private void doNormalize(final List<String> input, final List<String> output, Function<String, String> anObject) {
+    for (final String s : input) {
+        output.add(anObject.apply(s));
+    }
+  }
+
+  public static class Normalizer {
+    public String normalize(final String s) {
+      return s;
+    }
+  }
+}

java/java-tests/testData/refactoring/introduceFunctionalParameter/beforeInsideForLoop.java

@@ -0,0 +1,26 @@
+
+import java.util.ArrayList;
+import java.util.List;
+
+class Test {
+
+  public void run() {
+    final Normalizer normalizer = new Normalizer();
+    final List<String> input = new ArrayList<>();
+    final List<String> output = new ArrayList<>();
+
+    doNormalize(input, normalizer, output);
+  }
+
+  private void doNormalize(final List<String> input, final Normalizer normalizer, final List<String> output) {
+    for (final String s : input) {
+      output.add(<selection>normalizer.normalize(s)</selection>);
+    }
+  }
+
+  public static class Normalizer {
+    public String normalize(final String s) {
+      return s;
+    }
+  }
+}