package test import android.app.Activity import kotlinx.android.synthetic.main.layout.* class MyActivity: Activity() { val button = this.MyButton val button2 = MyButton } // 1 public _\$_findCachedViewById // 1 public _\$_clearFindViewByIdCache // 2 GETSTATIC test/R\$id\.MyButton // 2 INVOKEVIRTUAL test/MyActivity\._\$_findCachedViewById // 2 CHECKCAST android/widget/Button