override fun getPackageSymbols(nameFilter: KtScopeNameFilter): Sequence<KtPackageSymbol> = withValidityAssertion {
        sequence {
            // Only emit package symbols for top-level packages (subpackages of root). This matches the behavior
            // of the root-level KtFirPackageScope.
            val seenTopLevelPackages = mutableSetOf<Name>()
            for (tool in tools) {

                 * only function matching the signature is A, because B does not have type parameters. However, actually B also matches the
                 * signature, and we must avoid dropping a.b.c from the call expression.
                 */

        super.visitClassReference(expression)
    }

    @OptIn(UnsafeDuringIrConstructionAPI::class)
    private inline fun <reified T : IrSymbol> patchIfNeeded(irSymbol: T?, patcher: (T) -> Unit) {
        if (irSymbol != null) {
            val irDeclaration = irSymbol.owner as? IrMetadataSourceOwner ?: return
            val firDeclaration = (irDeclaration.metadata as? FirMetadataSource)?.fir ?: return