private val analysisSessionProvider: KtFirAnalysisSessionProvider
            get() = getInstance(project) as? KtFirAnalysisSessionProvider
                ?: error("Expected the analysis session provider to be a `${KtFirAnalysisSessionProvider::class.simpleName}`.")

        override fun afterInvalidation(modules: Set<KtModule>) {

    <projectService
        serviceInterface="org.jetbrains.kotlin.analysis.api.session.KtAnalysisSessionProvider"
        serviceImplementation="org.jetbrains.kotlin.analysis.api.fir.KtFirAnalysisSessionProvider"
    />

    <projectService
        serviceInterface="org.jetbrains.kotlin.idea.references.KotlinReferenceProviderContributor"