*/
@GwtCompatible
abstract class CommonMatcher {
  public abstract boolean matches();

  public abstract boolean find();

  public abstract boolean find(int index);

  public abstract String replaceAll(String replacement);

  public abstract int end();

  public abstract int start();

  public void testGetKeyMatchesString() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {
      String fieldName = property.name();
      String expected = Ascii.toLowerCase(fieldName).replaceAll("_", ".");
      assertThat(property.key()).isEqualTo(expected);
    }
  }

  public void testGetValue() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {

            QueryContext context) {
        assertEquals(query, context.getQueryBuilder().toString().replaceAll("\\s", ""));
        assertFieldLogs(fieldLogMap);
        assertHighlightedQueries(highlightedQuerySet);
        if (sorts != null) {
            assertEquals(sorts, context.sortBuilders().stream().map(s -> s.toString().replaceAll("\\s", "")).collect(Collectors.joining()));
        }
    }

        metadata.merge(new Metadata());

        String dateAfter = gregorianDate();

        String ts = metadata.metadata.getVersioning().getSnapshot().getTimestamp();
        String datePart = DATE_FILTER.matcher(ts).replaceAll("");

        /* Allow for this test running across midnight */
        Set<String> expected = new HashSet<>(Arrays.asList(dateBefore, dateAfter));

        // We need to escape all newlines so that the build process doesn't run all lines onto a single line
        return commandWithRetry.toString().replaceAll(" *\n", " \\\\\n");
    }

                String expectedValuePart = fieldNamePart.toLowerCase()
                        .replace("_", ".")
                        .replaceAll("\\.placeholder$", ".placeholder")
                        .replaceAll("\\.placeholder\\.(.+)", ".placeholder_$1");

                String expectedValue = "{labels." + expectedValuePart + "}";

  public void testGetKeyMatchesString() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {
      String fieldName = property.name();
      String expected = Ascii.toLowerCase(fieldName).replaceAll("_", ".");
      assertThat(property.key()).isEqualTo(expected);
    }
  }

  public void testGetValue() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {

                    String quoted = snippet.contents
                        // quote values starting with $
                        .replaceAll(/([:,])\s*(\$[^ ,\n}]+)/, '$1 "$2"')
                        // quote fields starting with $
                        .replaceAll(/(\$[^ ,\n}]+)\s*:/, '"$1":')

                    JsonFactory jf = new JsonFactory();

        assertEquals(1, sortBuilders.size());
        logger.info("{} => {}", text, sortBuilders.get(0).toString());
        assertEquals(expect, sortBuilders.get(0).toString().replaceAll("[\s\n]", ""));
    }

    private QueryContext assertQueryBuilder(final Class<?> expectedClass, final String expectedQuery, final String text) throws Exception {

     */
    // GET /api/admin/log/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {
        final String filename = new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8).replace("..", "").replaceAll("\\s", "");
        final String logFilePath = systemHelper.getLogFilePath();
        if (StringUtil.isNotBlank(logFilePath) && isLogFilename(filename)) {
            final Path path = Paths.get(logFilePath, filename);