*
     * This is **not** an actual type check, it is just an opinionated approximation.
     * The main guideline was K1 KDoc resolve.
     *
     * This check might change in the future, as Dokka team advances with KDoc rules.
     */
    private fun KtAnalysisSession.canBeReferencedAsExtensionOn(symbol: KtCallableSymbol, actualReceiverType: KtType): Boolean {