*/
    fun sourceFileAndSourceRootFor(sourceFilePath: String): Pair<File, File> =
        sourceRoots.asSequence()
            .map { it.resolve(sourceFilePath) to it }
            .firstOrNull { it.first.isFile }
            ?: error("Source file '$sourceFilePath' not found, searched in source roots:\n  - ${sourceRoots.joinToString("\n  - ")}")

    private
    val KtFile.normalizedPath: String?

        if (installationToolchainsFile != null && installationToolchainsFile.isFile()) {
            toolchainsRequest.setGlobalToolchainsSource(new FileSource(installationToolchainsFile));
        }
        if (userToolchainsFile != null && userToolchainsFile.isFile()) {
            toolchainsRequest.setUserToolchainsSource(new FileSource(userToolchainsFile));
        }

                throw new FileAccessException("ECL0110", new Object[] { file.getAbsolutePath() });
            }
            properties = new Properties();
            store();
        } else if (!this.propertiesFile.isFile()) {
            throw new FileAccessException("ECL0111", new Object[] { file.getAbsolutePath() });
        }
        load();
    }

    /**
     * Reloads the properties from the specified path.
     *

        String metadataPath = localRepository.pathOfLocalRepositoryMetadata(metadata, localRepository);
        File metadataFile = new File(localRepository.getBasedir(), metadataPath);
        return metadataFile.isFile() ? new Date(metadataFile.lastModified()) : null;
    }

    private void mergeMetadata(
            RepositoryMetadata metadata,
            List<ArtifactRepository> remoteRepositories,

        else if (reactorDirectory != null) {
            File selectedProject =
                    new File(new File(reactorDirectory, selector).toURI().normalize());

            if (selectedProject.isFile()) {
                return selectedProject.equals(project.getFile());
            } else if (selectedProject.isDirectory()) {
                return selectedProject.equals(project.getBasedir());
            }
        }

                    assertTrue(entry.isDirectory());
                    realFolderEntry = true;
                } else if (entry.getName().equals("real-folder/file")) {
                    assertTrue(entry.isFile());
                    fileEntry = true;
                } else if (entry.getName().equals("real-folder/link-to-file")) {
                    assertTrue(entry.isSymbolicLink());

        val temporaryBndFile = File.createTempFile("bnd", ".bnd", temporaryDir)
        IO.writer(temporaryBndFile).use { writer ->
          val bndFileVal = bndfile.asFile.getOrNull()
          if (bndFileVal != null && bndFileVal.isFile) {
            Processor(gradleProperties).let { p ->
              p.loadProperties(bndFileVal).store(writer, null)
            }
          } else {

        SmbFile initialFile = new SmbFile(baseUrl + "shared/initial.txt", context);
        assertTrue(initialFile.exists(), "Initial file should exist");
        assertTrue(initialFile.isFile(), "Initial file should be a file");
        assertTrue(initialFile.canRead(), "Should be able to read initial file");

        log.info("Basic connectivity test passed - can connect, list, and read files");
    }

            final File noImageFile = new File(outputFile.getAbsolutePath() + NOIMAGE_FILE_SUFFIX);
            final Path noImagePath = noImageFile.toPath();
            if (!noImageFile.isFile() || systemHelper.getCurrentTimeAsLong() - noImageFile.lastModified() > noImageExpired) {
                try {
                    Files.deleteIfExists(noImagePath);
                } catch (final IOException e) {

                        logger.warn("Failed to delete output file: {}", outputFile.getAbsolutePath(), e);
                    }
                    return false;
                }

                if (outputFile.isFile() && outputFile.length() == 0) {
                    logger.warn("Thumbnail file is empty: id={}", thumbnailId);
                    try {
                        if (Files.deleteIfExists(outputPath2)) {