*
     * @param dir the directory to locate the pom for, never {@code null}
     * @return a {@code Source} pointing to the located pom or an empty {@code Optional} if none was found by this parser
     */
    @Nonnull
    Optional<Source> locate(@Nonnull Path dir);

    /**
     * Parse the model obtained previously by a previous call to {@link #locate(Path)}.
     *

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_Null() throws Exception {
        assertThat(toDate(null), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_EmptyString() throws Exception {
        assertThat(toDate(""), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test

     * @throws IllegalStateException if multiple versions of the same GA are part of the reactor
     */
    Model getRawModel(Path from, String groupId, String artifactId);

    /**
     * Locate the POM file inside the given directory.
     */
    Path locate(Path path);

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_Null() throws Exception {
        assertThat(toDate(null), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_EmptyString() throws Exception {
        assertThat(toDate(""), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test

		return nil
	}

	return errors.New("no local drive found")
}

// rotate rotates the journal. If a read-only journal already exists it does
// nothing. Otherwise renames the active journal to a read-only journal and
// opens a new active journal.
func (jd *tierDiskJournal) rotate() error {
	// Do nothing if a read-only journal file already exists.
	if _, err := os.Stat(jd.ReadOnlyPath()); err == nil {

			stdErrEnc.Encode(&log.Entry{
				Level:   ErrorKind,
				Message: msg,
				Time:    time.Now().UTC(),
				Trace:   &log.Trace{Message: msg},
			})
		}
		if err := w.rotate(); err != nil {
			msg := fmt.Sprintf("unable to rotate log file %v: %v", w.f.Name(), err)
			stdErrEnc.Encode(&log.Entry{
				Level:   ErrorKind,
				Message: msg,
				Time:    time.Now().UTC(),
				Trace:   &log.Trace{Message: msg},
			})

        this.pattern = pattern;
    }

    @Override
    public Object getAsObject(final String value) {
        if (isEmpty(value)) {
            return null;
        }
        return DateConversionUtil.toDate(value, pattern);
    }

    @Override
    public String getAsString(final Object value) {
        if (value == null) {
            return null;
        }

        DefaultModelProblemCollector problems = (DefaultModelProblemCollector) collector;
        return new ModelTransformerContext() {

            @Override
            public Path locate(Path path) {
                return context.locate(path);
            }

            @Override
            public String getUserProperty(String key) {
                return context.userProperties.computeIfAbsent(

defaults:
  global:
    # Used to locate istiod.
    istioNamespace: "istio-system"

  base:
    # Validation webhook configuration url
    # For example: https://$remotePilotAddress:15017/validate
    validationURL: ""

  istiodRemote:
    # Sidecar injector mutating webhook configuration url
    # For example: https://$remotePilotAddress:15017/inject
    injectionURL: ""

        try (InputStream is = DefaultRuntimeInformation.class.getResourceAsStream("/" + resource)) {
            if (is != null) {
                props.load(is);
            } else {
                logger.warn("Could not locate " + resource + " on classpath, Maven runtime information not available");
            }
        } catch (IOException e) {
            String msg = "Could not parse " + resource + ", Maven runtime information not available";