Detect external vararg methods too (if available on the classpath)

testData/results/TestClassLambda.dec

@@ -15,7 +15,7 @@ public class TestClassLambda {
    public int field = 0;
 
    public void testLambda() {
-      List var1 = Arrays.asList(new Integer[]{Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3), Integer.valueOf(4), Integer.valueOf(5), Integer.valueOf(6), Integer.valueOf(7)});// 29
+      List var1 = Arrays.asList(Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3), Integer.valueOf(4), Integer.valueOf(5), Integer.valueOf(6), Integer.valueOf(7));// 29
       int var2 = (int)Math.random();// 30
       var1.forEach((var2x) -> {// 32
          int var3 = 2 * var2x.intValue();// 33

testData/results/TestVarArgCalls.dec

@@ -8,11 +8,11 @@ public class TestVarArgCalls {
       this.printComplex("Test");// 9
       this.printComplex("Test: %[0]s", new String[]{"abc"});// 10
       this.printComplex("Test: %[0]s - %[0]s", new String[]{"abc"}, new String[]{"DEF"});// 11
-      String.format("Test", new Object[0]);// 13
-      String.format("Test: %d", new Object[]{Integer.valueOf(123)});// 14
-      String.format("Test: %d - %s", new Object[]{Integer.valueOf(123), "DEF"});// 15
+      String.format("Test");// 13
+      String.format("Test: %d", Integer.valueOf(123));// 14
+      String.format("Test: %d - %s", Integer.valueOf(123), "DEF");// 15
       Object[] data = new Object[]{"Hello"};// 17
-      String.format("Test: %s", new Object[]{data});// 18
+      String.format("Test: %s", (Object)data);// 18
       String.format("Test: %s", (Object[])data);// 19
    }// 20
 
@@ -46,7 +46,6 @@ class 'pkg/TestVarArgCalls' {
       68      9
       6c      9
       6f      10
-      71      10
       75      10
       79      11
       81      11