fun test(b: String?): Int {
    <expr>b</expr>!!
    return b.length

fun test() {
    val i = 59
    "this is a $<expr>i</expr>"

fun callee(): Int {
    return 598
}

fun test() {
    <expr>callee()</expr> + 45

@OptIn(Deprecated::class, Deprecated::class)
@SuppressWarnings(<expr>["unsued", "foo"]</expr>)
fun test() {

fun test(v: Any?) {
    (v as? String)?.let{
        <expr>it</expr>.length
    }

fun test(v: Any?) {
    val x = <expr>(v as String)</expr>.length

fun test(v: Any?) {
    val x = <expr>(v as String)?.length</expr>

fun test(f: String.() -> Int = <expr>{ 45 * this.length }</expr>) {
    "hello".f()

fun test() {

    outer@while(true) {
        inner@while(false) {
            break<expr>@outer</expr>
        }
    }

class C {
    fun String.test(): Int {
        return this<expr>@C</expr>.hashCode()
    }