* methods of the delegate. For example, overriding {@link #add} alone <b>will not</b> change the
 * behavior of {@link #addAll}, which can lead to unexpected behavior. In this case, you should
 * override {@code addAll} as well, either providing your own implementation, or delegating to the
 * provided {@code standardAddAll} method.
 *

                compilers.addAll(findVisualCpps());
                compilers.add(findMinGW());
            } else if (OperatingSystem.current().isMacOsX()) {
                compilers.addAll(findClangs(true));
                compilers.addAll(findGccs(false));
                compilers.addAll(findSwiftcs());
            } else {
                compilers.addAll(findGccs(true));

        Set<File> filesToDelete = new HashSet<>();
        filesToDelete.addAll(collectFilesToDelete(classesToDelete, compileOutput));
        filesToDelete.addAll(collectFilesToDelete(classesToDelete, annotationProcessorOutput));
        filesToDelete.addAll(collectFilesToDelete(classesToDelete, headerOutput));
        filesToDelete.addAll(collectFilesToDelete(resourcesToDelete.get(CLASS_OUTPUT), compileOutput));

    val testKlib = KtTestUtil.tmpDir("testLibrary").resolve("library.klib").toPath()

    val arguments = buildList {
        ktFiles.mapTo(this) { it.absolutePathString() }
        addAll(listOf("-produce", "library"))
        addAll(listOf("-output", testKlib.absolutePathString()))
    }

    val compileResult = callCompilerWithoutOutputInterceptor(arguments.toTypedArray())

    check(compileResult.exitCode == ExitCode.OK) {

    protected fun collectImports(diagnosticList: HLDiagnosticList): Collection<String> = buildSet {
        addAll(defaultImports)
        for (diagnostic in diagnosticList.diagnostics) {
            diagnostic.original.psiType.collectClassNamesTo(this)
            diagnostic.parameters.forEach { diagnosticParameter ->
                addAll(collectImportsForDiagnosticParameter(diagnosticParameter))
            }
        }
    }

            while ((s = queue.poll()) != null && convertedTexts.size() <= getMaxReadingNum()) {
                final List<String> results = converter.convert(s, field, lang);
                convertedTexts.addAll(results);
            }
            queue.addAll(convertedTexts);
        }

        return convertedTexts;
    }

    public void addConverter(final ReadingConverter converter) {
        converters.add(converter);
    }

        super(indexSettings, name, settings);
        List<String> wordList = Analysis.parseWordList(env, settings, "stoptags", s -> s);
        if (wordList != null) {
            stopTags.addAll(wordList);
        } else {
            stopTags.addAll(JapaneseAnalyzer.getDefaultStopTags());
        }
    }

    @Override
    public TokenStream create(TokenStream tokenStream) {

    private <T> Collection<T> getExtensionComponents(Collection<MavenProject> projects, Class<T> role) {
        Collection<T> foundComponents = new LinkedHashSet<>();
        foundComponents.addAll(lookup.lookupList(role));
        foundComponents.addAll(getProjectScopedExtensionComponents(projects, role));
        return foundComponents;
    }

    def quiet(String... msgs) {
        quietMessages.addAll(msgs)
    }
    def error(String... msgs) {
        errorMessages.addAll(msgs)
    }
    def warning(String... msgs) {
        warningMessages.addAll(msgs)
    }
    def lifecycle(String... msgs) {
        warningMessages.addAll(msgs)
    }
    def info(String... msgs) {
        infoMessages.addAll(msgs)
    }
    def debug(String... msgs) {

        return new GroovyClass(concat(files, other));
    }

    private Iterable<File> concat(List<File> files1, Collection<File> files2) {
        List<File> result = new ArrayList<File>();
        result.addAll(files1);
        result.addAll(files2);
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }