override fun createPointer(): KtSymbolPointer<KtReceiverParameterSymbol> = withValidityAssertion {
        KtPsiBasedSymbolPointer.createForSymbolFromSource<KtReceiverParameterSymbol>(this) ?: KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)

    return KtFe10PackageSymbol(fqName, analysisContext)
}

internal fun ReceiverParameterDescriptor.toKtReceiverParameterSymbol(analysisContext: Fe10AnalysisContext): KtReceiverParameterSymbol {
    return KtFe10ReceiverParameterSymbol(this, analysisContext)
}

internal fun KtSymbol.getDescriptor(): DeclarationDescriptor? {
    return when (this) {
        is KtFe10PsiSymbol<*, *> -> descriptor