FILE: MapCompute.kt
    public final fun <D> R|kotlin/collections/MutableMap<kotlin/String, kotlin/collections/MutableSet<D>>|.initAndAdd(key: R|kotlin/String|, value: R|D|): R|kotlin/Unit| {
        this@R|/initAndAdd|.R|SubstitutionOverride<kotlin/collections/MutableMap.compute: R|@EnhancedNullability kotlin/collections/MutableSet<D>?|>|(R|<local>/key|, <L> = SAM(compute@fun <anonymous>(<unused var>: R|@EnhancedNullability kotlin/String|, maybeValues: R|@EnhancedNullability kotlin/collections/MutableSet<D>?|): R|@EnhancedNullability kotlin/collections/MutableSet<D>?| <inline=NoInline>  {
            lval setOfValues: R|kotlin/collections/MutableSet<D>| = R|<local>/maybeValues| ?: R|kotlin/collections/mutableSetOf|<R|D|>()
            R|<local>/setOfValues|.R|SubstitutionOverride<kotlin/collections/MutableSet.add: R|kotlin/Boolean|>|(R|<local>/value|)
            ^ R|<local>/setOfValues|
        }
        ))
    }
