* - if FIR reference points to the type with generic parameters (like `Foo<Bar>`), its source is not [KtTypeReference], but
     * [KtNameReferenceExpression].
     */
    private val FirResolvedTypeRef.correspondingTypePsi: KtUserType?
        get() {
            val sourcePsi = when {
                // array type for vararg parameters is not present in the code, so no need to handle it

                    is FirResolvedNamedReference -> when (calleeReference.resolvedSymbol) {
                        // `calleeReference.resolvedSymbol` isn't guaranteed to be callable. For example, function type parameters used in
                        // expression positions (e.g. `T` in `println(T)`) are parsed as `KtSimpleNameExpression` and built into
                        // `FirPropertyAccessExpression` (which is `FirResolvable`).

        // configuration. We don't have an easy way to allow a pluggable builder to provide its own configuration
        // parameters but this is sufficient for now. Ultimately we want components like Builders to provide a way to
        // extend the command line to accept its own configuration parameters.
        //
        final String threadConfiguration = commandLine.getOptionValue(CLIManager.THREADS);