buf.append('\t').append("error:").append(escapeValue(e.getLocalizedMessage()).replaceAll("\\s", " "));
                log(buf);
            }
        });
    }

    public void discard(final Object keyObj) {
        getCacheKey(keyObj).ifPresent(key -> {
            try {
                final StatsObject data = statsCache.getIfPresent(key);
                if (data != null) {

   * <p>If the implementation of this method cannot correctly handle a particular code point then it
   * should either throw an appropriate runtime exception or return a suitable replacement
   * character. It must never silently discard invalid input as this may constitute a security risk.
   *
   * @param cp the Unicode code point to escape if necessary
   * @return the replacement characters, or {@code null} if no escaping was needed
   */
  @CheckForNull

    try (Response response = client.newCall(request).execute()) {
      // Consume and discard the response body.
      response.body().source().readByteString();
    }

    System.out.println("REQUEST 2 (pooled connection)");
    try (Response response = client.newCall(request).execute()) {
      // Consume and discard the response body.
      response.body().source().readByteString();
    }
  }

   * input is not modified. The returned list is serializable and has random access.
   *
   * <p>Unlike {@link Sets#newTreeSet(Iterable)}, this method does not discard elements that are
   * duplicates according to the comparator. The sort performed is <i>stable</i>, meaning that such
   * elements will appear in the returned list in the same order they appeared in {@code elements}.
   *

      }

      @Override public void onResponse(Call call, Response response) throws IOException {
        try (ResponseBody body = response.body()) {
          // Consume and discard the response body.
          body.source().readByteString();
        }
      }
    });

    Request newYorkTimesRequest = new Request.Builder()
        .url("https://www.nytimes.com/")
        .build();

    }

    public void test_beginWithRecordAndDiscard() {
        String key = "test";
        crawlerStatsHelper.begin(key);
        crawlerStatsHelper.record(key, "aaa");
        crawlerStatsHelper.discard(key);
        logger.info(localLogMsg.get());
        assertNull(localLogMsg.get());

        crawlerStatsHelper.done(key);
        logger.info(localLogMsg.get());
        assertNull(localLogMsg.get());

    strings = new String[SAMPLES];
    for (int i = 0; i < SAMPLES; i++) {
      StringBuilder sb = new StringBuilder();
      for (int j = 0; j < charCount; j++) {
        int codePoint;
        // discard illegal surrogate "codepoints"
        do {
          codePoint = rnd.nextInt(maxCodePoint.value);
        } while (Character.isSurrogate((char) codePoint));
        sb.appendCodePoint(codePoint);
      }

    strings = new String[SAMPLES];
    for (int i = 0; i < SAMPLES; i++) {
      StringBuilder sb = new StringBuilder();
      for (int j = 0; j < charCount; j++) {
        int codePoint;
        // discard illegal surrogate "codepoints"
        do {
          codePoint = rnd.nextInt(maxCodePoint.value);
        } while (Character.isSurrogate((char) codePoint));
        sb.appendCodePoint(codePoint);
      }