}

    public fun addSourceRoots(paths: Collection<Path>) {
        sourceRoots.addAll(paths)
    }

    public fun addSourceVirtualFile(virtualFile: VirtualFile) {
        sourceVirtualFiles.add(virtualFile)
    }

    public fun addSourceVirtualFiles(virtualFiles: Collection<VirtualFile>) {
        sourceVirtualFiles.addAll(virtualFiles)
    }

    override fun build(): KtSourceModule {

              @Override
              public NavigableSet<String> create(String[] elements) {
                NavigableSet<String> innerSet = new TreeSet<>();
                Collections.addAll(innerSet, elements);
                return Collections.checkedNavigableSet(innerSet, String.class);
              }
            })
        .named("checkedNavigableSet/TreeSet, natural")
        .withFeatures(

 * 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.
 *

        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) {

 * 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.
 *

    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) {

                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));