kotlin-fork/idea/testData/intentions/loopToCallChain/smartCasts/smartCastRequired2.kt.after2

// WITH_RUNTIME
// INTENTION_TEXT: "Replace with '...filter{}.map{}.firstOrNull()'"
// INTENTION_TEXT_2: "Replace with 'asSequence()...filter{}.map{}.firstOrNull()'"
fun foo(list: List<Any>, o: Any): Int? {
    return list
            .asSequence()
            .filterIsInstance<String>()
            .filter { it.length > 0 }
            .map { it.length * 2 }
            .firstOrNull()
}