val implicitPartiallyAppliedSymbol = when (val partiallyAppliedSymbol = calleeReference.boundSymbol) {
                    is FirClassSymbol<*> -> partiallyAppliedSymbol.toKtSymbol()
                    is FirCallableSymbol<*> -> firSymbolBuilder.callableBuilder.buildExtensionReceiverSymbol(partiallyAppliedSymbol)
                        ?: return null
                    else -> return null