fun useDeclaredVariables() {
    <!INITIALIZER_REQUIRED_FOR_DESTRUCTURING_DECLARATION!>val (a, b)<!>
    <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE, UNUSED_EXPRESSION!>a<!>
    <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE, UNUSED_EXPRESSION!>b<!>
}

fun checkersShouldRun() {
    <!INITIALIZER_REQUIRED_FOR_DESTRUCTURING_DECLARATION!>val (@A <!UNUSED_VARIABLE!>a<!>, _)<!>
}

annotation class A