kotlin/idea/testData/quickfix/createFromUsage/createFunction/component/createComponentFromUsage3.kt

// "Create extension function 'component2'" "true"
class FooIterator<T> {
    fun hasNext(): Boolean { return false }
    fun next(): Any {
        throw UnsupportedOperationException("not implemented")
    }
}
class Foo<T> {
    fun iterator(): FooIterator<String> {
        throw UnsupportedOperationException("not implemented")
    }
}
fun Any.component1(): Int {
    return 0
}
fun foo() {
    for ((i: Int, j: Int) in Foo<caret><Int>()) { }
}