fun notNullValues(collection: MutableCollection<String>) {
    collection.removeIf { it.length > 5 }
        // SUCCESS
        // ORIGINAL:    fun removeIf(Predicate<in E>): Boolean defined in kotlin.collections.MutableCollection
        // SUBSTITUTED: fun removeIf(Predicate<in String>): Boolean defined in kotlin.collections.MutableCollection
}

fun <E : CharSequence> nullableValues(collection: MutableCollection<E?>) {
    collection.removeIf { it != null && it.length > 5 }
        // SUCCESS
        // ORIGINAL:    fun removeIf(Predicate<in E>): Boolean defined in kotlin.collections.MutableCollection
        // SUBSTITUTED: fun removeIf(Predicate<in E?>): Boolean defined in kotlin.collections.MutableCollection
}

fun <E : CharSequence?> nullableValues2(collection: MutableCollection<E>) {
    collection.removeIf { it == null }
        // SUCCESS
        // ORIGINAL:    fun removeIf(Predicate<in E>): Boolean defined in kotlin.collections.MutableCollection
        // SUBSTITUTED: fun removeIf(Predicate<in E>): Boolean defined in kotlin.collections.MutableCollection
}