public static void touchExisting(File file) {
        try {
            Files.setLastModifiedTime(file.toPath(), FileTime.fromMillis(System.currentTimeMillis()));
        } catch (IOException e) {
            if (file.isFile() && file.length() == 0) {
                // On Linux, users cannot touch files they don't own but have write access to
                // because the JDK uses futimes() instead of futimens() [note the 'n'!]

            Versions versions,
            org.eclipse.aether.metadata.Metadata metadata,
            ArtifactRepository repository) {
        if (metadata != null && metadata.getFile() != null && metadata.getFile().isFile()) {
            try {
                Map<String, ?> options = Collections.singletonMap(MetadataReader.IS_STRICT, Boolean.FALSE);

                Metadata repoMetadata = metadataReader.read(metadata.getFile(), options);

	}

	f, err := os.Open(path)
	if err != nil {
		return nil, err // nil interface
	}
	return f, nil
}

// isFile determines whether path is a file by trying to open it.
// It reuses openFile instead of adding another function to the
// list in Context.
func (ctxt *Context) isFile(path string) bool {
	f, err := ctxt.openFile(path)
	if err != nil {
		return false
	}
	f.Close()
	return true
}

        PluginDescriptor pluginDescriptor = null;

        File pluginFile = pluginArtifact.getFile();

        try {
            if (pluginFile.isFile()) {
                try (JarFile pluginJar = new JarFile(pluginFile, false)) {
                    ZipEntry pluginDescriptorEntry = pluginJar.getEntry(getPluginDescriptorLocation());

  toco_log_after.SerializeToOstream(&ostream_after);
  ostream_after.close();
  toco::LogDump(toco::kLogLevelModelChanged, "tflite_graph", *flatbuffer_model);
}

// NOTE(aselle): We are using raw PyObject's here because we want to make
// sure we input and output bytes rather than unicode strings for Python3.
PyObject* Convert(PyObject* model_flags_proto_txt_raw,

        candidates.add(new File(diagnostics.getDaemonLog().getParent(), crashLogFileName));
        findCrashLogFile(crashLogFileName).ifPresent(candidates::add);

        return candidates.stream()
            .filter(File::isFile)
            .findFirst();
    }

    private static Optional<File> findCrashLogFile(String crashLogFileName) {
        // This use case for the JavaIOTmpDir is allowed since we are looking for the crash log file.

		// Upon error just return Go-syntax representation of the value
		return fmt.Sprintf("%#v", req)
	}

	// Formatted string.
	return strings.TrimSpace(buffer.String())
}

// isFile - returns whether given path is a file or not.
func isFile(path string) bool {
	if fi, err := os.Stat(path); err == nil {
		return fi.Mode().IsRegular()
	}

	return false
}

// UTCNow - returns current UTC time.

                throw new ArtifactNotFoundException(
                        "System artifact: " + artifact + " not found in path: " + systemFile, artifact);
            }

            if (!systemFile.isFile()) {
                throw new ArtifactNotFoundException(
                        "System artifact: " + artifact + " is not a file: " + systemFile, artifact);
            }

            artifact.setResolved(true);

        return artifacts.map(RepositoryUtils::toArtifact);
    }

    private boolean isRegularFile(Artifact artifact) {
        return artifact.getFile() != null && artifact.getFile().isFile();
    }

    private void installIntoProjectLocalRepository(Artifact artifact) {
        Path target = getArtifactPath(artifact);
        try {

	if b == "" {
		b = "power8"
	}
	goppc64 = b

	b = os.Getenv("GORISCV64")
	if b == "" {
		b = "rva20u64"
	}
	goriscv64 = b

	if p := pathf("%s/src/all.bash", goroot); !isfile(p) {
		fatalf("$GOROOT is not set correctly or not exported\n"+
			"\tGOROOT=%s\n"+
			"\t%s does not exist", goroot, p)
	}

	b = os.Getenv("GOHOSTARCH")
	if b != "" {
		gohostarch = b
	}