package pkg;

public class TestSynchronizedMapping {
   public int test(int var1) {
      synchronized(this) {// 8
         ++var1;// 9
      }// 10

      return var1++;// 11
   }

   public void test2(String var1) {
      System.out.println(var1);// 15
   }// 16
}

class 'pkg/TestSynchronizedMapping' {
   method 'test (I)I' {
      3      4
      4      5
      8      6
      12      8
      15      8
   }

   method 'test2 (Ljava/lang/String;)V' {
      0      12
      4      12
      7      13
   }
}

Lines mapping:
8 <-> 5
9 <-> 6
10 <-> 7
11 <-> 9
15 <-> 13
16 <-> 14