FILE: debugExpressionType.kt
    public final fun foo(x1: R|kotlin/String|, x2: R|kotlin/collections/Collection<kotlin/CharSequence>|, x3: R|kotlin/collections/MutableMap<out kotlin/CharSequence, in kotlin/collections/MutableList<*>>|): R|kotlin/Unit| {
        R|<local>/x1|
        R|<local>/x2|
        R|<local>/x3|
    }
