kotlin-fork/nj2k/testData/newJ2k/mutableCollections/Recursion.kt

internal class A {
    fun foo(collection: MutableCollection<String?>) {
        bar(collection)
    }

    fun bar(collection: MutableCollection<String?>) {
        if (collection.size < 5) {
            foo(collection)
        } else {
            collection.add("a")
        }
    }
}