package pkg;

public abstract class TestAbstractMethods {
   public abstract void foo();

   public int test(int var1) {
      return var1;// 11
   }

   protected abstract void foo1();

   public void test2(String var1) {
      System.out.println(var1);// 17
   }// 18
}

class 'pkg/TestAbstractMethods' {
   method 'test (I)I' {
      1      6
   }

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

Lines mapping:
11 <-> 7
17 <-> 13
18 <-> 14