require(targetFiles.isNotEmpty())

        val jvmIrDeserializer = JvmIrDeserializerImpl()
        val diagnosticReporter = DiagnosticReporterFactory.createPendingReporter()

        val irGeneratorExtensions = IrGenerationExtension.getInstances(project)

        dependencyFiles
            .map(::getFullyResolvedFirFile)
            .groupBy { it.llFirSession }