is KtFe10DescSymbol<*> -> symbol.descriptor as? T
            is KtFe10PsiSymbol<*, *> -> symbol.descriptor as? T
            else -> {
                require(symbol is KtFe10Symbol) { "Unrecognized symbol implementation found" }
                null
            }
        }
    }

    private fun collectImplicitReceivers(scope: LexicalScope): MutableList<KtImplicitReceiver> {