val shortName = fqName.shortName()
        return buildSet {
            addAll(getCallableSymbols(shortName))
            addAll(getClassifierSymbols(shortName))
        }
    }

    /**
     * Tries to resolve [fqName] into available extension callables (functions or properties)
     * prefixed with a suitable extension receiver type (like in `Foo.bar`, or `foo.Foo.bar`).
     *

 * [FirDeclarationGenerationExtension][org.jetbrains.kotlin.fir.extensions.FirDeclarationGenerationExtension]s.
 *
 * [DeclarationsInPackageProvider] first tries the [FirSymbolNamesProvider] of the analysis session's underlying FIR session, because it
 * provides symbol names from binary libraries in Standalone mode, which the Standalone declaration provider does not contain (to avoid