enum OutputKind {
        OUTPUT,
        PARENT_OF_OUTPUT
    }
    private final IndexedCache<String, OutputKind> outputFiles;

    public DefaultOutputFilesRepository(PersistentCache cacheAccess, InMemoryCacheDecoratorFactory inMemoryCacheDecoratorFactory) {
        this.cacheAccess = cacheAccess;
        this.outputFiles = cacheAccess.createIndexedCache(cacheParameters(inMemoryCacheDecoratorFactory));
    }

    @Override

    def outputFiles = new TestInMemoryIndexedCache<String, DefaultOutputFilesRepository.OutputKind>(new BaseSerializerFactory().getSerializerFor(DefaultOutputFilesRepository.OutputKind))
    def cacheAccess = Stub(PersistentCache) {
        createIndexedCache(_) >> outputFiles
    }
    def cacheDecorator = Mock(CacheDecorator)

                @InputFile
                @PathSensitive(PathSensitivity.NONE)
                File inputFile

                @OutputFiles
                Map<String, File> outputFiles

                @TaskAction
                void doSomething() {
                    outputFiles.each { String key, File outputFile ->
                        outputFile.text = key
                    }
                }
            }

        """
        when:
        withBuildCache().run "pluralOutputs"
        then:
        assertCachingDisabledFor NON_CACHEABLE_TREE_OUTPUT, "Output property 'outputFiles\$1' contains a file tree"

        where:
        annotation << [OutputFiles.simpleName, OutputDirectories.simpleName]
    }

    @ToBeFixedForIsolatedProjects(because = "Investigate")

import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputDirectories;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.OutputFiles;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.UntrackedTask;
import org.gradle.api.tasks.options.OptionValues;

            if (backendErrors.isNotEmpty()) {
                return KaCompilationResult.Failure(backendErrors)
            }

            val outputFiles = state.factory.asList().map(::KaCompiledFileForOutputFile)
            return KaCompilationResult.Success(outputFiles, capturedValues = emptyList())
        } finally {
            state.destroy()
        }
    }

            ClassPath cp = moduleRegistry.getExternalModule(module.getModuleName()).getImplementationClasspath();
            outputFiles.addAll(extractor.apply(cp));
        }

        return outputFiles.build();
    }

    private static class AdditionalClasspath {

        public final List<TestFrameworkDistributionModule> applicationClasspath;

        given:
        withParallelThreads(2)

        buildFile << """
            class BrokenTask extends DefaultTask {
                @OutputFiles
                FileCollection getOutputFiles() {
                    throw new RuntimeException('BOOM!')
                }

                @TaskAction
                void doSomething() {

            append(diagnostic.factoryName)
            append(" ")
            append(diagnostic.defaultMessage)
        }
    }

    private fun dumpClassFiles(outputFiles: List<KaCompiledFile>): String {
        val classes = outputFiles
            .filter { it.path.endsWith(".class", ignoreCase = true) }
            .also { check(it.isNotEmpty()) }
            .sortedBy { it.path }
            .map { outputFile ->

					return fmt.Errorf("please use '-outfilelist' flag instead of '-o'")
				}
				var err error
				if outputfiles, err = readOutFileList(*outfilelist); err != nil {
					return err
				}
				covervarsoutfile = outputfiles[0]
				outputfiles = outputfiles[1:]
				numInputs := len(flag.Args())
				numOutputs := len(outputfiles)
				if numOutputs != numInputs {