docs: @Override
    public MethodVisitor visitMethod(int access, final String name, String desc,
                                     String signature, String[] exceptions) {
      MethodVisitor mv = cv.visitMethod(access | Opcodes.ACC_SYNTHETIC,
                                        name, desc, signature, exceptions);
      return new LineNumberingMethodAdapter(mv, access | Opcodes.ACC_SYNTHETIC,
                                            name, desc) {
        @Override
        protected void onMethodEnter() {
          this.lineNumbers = LineNumberingClassAdapter.this.lineNumbers;
          super.onMethodEnter();
        }
      };
    }