if (frontendErrors.isNotEmpty()) {
            return KtCompilationResult.Failure(frontendErrors)
        }

        val codeFragmentMappings = runIf(file is KtCodeFragment) {
            computeCodeFragmentMappings(file, mainFirFile, firResolveSession, configuration)
        }

        val compilationPeerData = CompilationPeerCollector.process(mainFirFile)

        val filesToCompile = buildList {