// WITH_RUNTIME
// INTENTION_TEXT: "Replace with 'flatMap{}.filterNot{}.mapIndexedTo(){}'"
// INTENTION_TEXT_2: "Replace with 'asSequence().flatMap{}.filterNot{}.mapIndexedTo(){}'"
fun foo(list: List<String>, target: MutableCollection<Int>) {
    <caret>list
            .asSequence()
            .flatMap { it.indices.asSequence() }
            .filterNot { it == 10 }
            .mapIndexedTo(target) { i, j -> i + j }
}