final String value = paramMap.getAsString("readInterval");
        if (StringUtil.isNotBlank(value)) {
            try {
                readInterval = Long.parseLong(value);
            } catch (final NumberFormatException e) {
                logger.warn("Invalid read interval: {}", value);
            }
        }
        return readInterval;
    }

    protected void sleep(final long interval) {

     *
     * @throws NumberFormatException if [s] is not an integer of any precision.
     */
    private fun parseMaxAge(s: String): Long {
      try {
        val parsed = s.toLong()
        return if (parsed <= 0L) Long.MIN_VALUE else parsed
      } catch (e: NumberFormatException) {
        // Check if the value is an integer (positive or negative) that's too big for a long.

                            logger.debug("role info is expired: {} > {}", time, maxAge);
                        }
                        return;
                    }
                } catch (final NumberFormatException e) {
                    logger.warn("Invalid role info: {}", rolesStr, e);
                    return;
                }
            }
            if (values.length > 1) {

                return Array.get(value, index);
            }

            if (value instanceof List) {
                return ((List) value).get(index);
            }
        } catch (NumberFormatException | IndexOutOfBoundsException e) {
            return null;
        }

        final String message = String.format(

            String rawVal = props.getProperty(key);
            if (rawVal != null) {
                try {
                    return new Date(Long.parseLong(rawVal));
                } catch (NumberFormatException e) {
                    getLogger().debug("Cannot parse lastUpdated date: '" + rawVal + "'. Ignoring.", e);
                }
            }
        }
        return null;
    }

        if (StringUtil.isNotBlank(value)) {
            try {
                nThreads = Integer.parseInt(value);
            } catch (final NumberFormatException e) {
                logger.warn("Failed to parse " + value, e);
            }
        }
        if (nThreads < 1) {
            nThreads = 1;
        }

  private static @Nullable Double referenceTryParse(String input) {
    if (input.trim().length() < input.length()) {
      return null;
    }
    try {
      return Double.valueOf(input);
    } catch (NumberFormatException e) {
      return null;
    }
  }

  @GwtIncompatible // Doubles.tryParse
  private static void checkTryParse(String input) {
    Double expected = referenceTryParse(input);

          throw ProtocolException(
            "expected chunk size and optional extensions" +
              " but was \"$bytesRemainingInChunk$extensions\"",
          )
        }
      } catch (e: NumberFormatException) {
        throw ProtocolException(e.message)
      }

      if (bytesRemainingInChunk == 0L) {
        hasMoreChunks = false
        trailers = headersReader.readHeaders()

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not long.
     */
    Long getTimeAdjustTimeMillisAsLong();

    /**
     * Get the value for the key 'mail.send.mock'. <br>
     * The value is, e.g. true <br>

        }
        if (Constants.TRUE.equalsIgnoreCase(recursive.toString())) {
            return -1L;
        }
        try {
            return Long.parseLong(recursive.toString());
        } catch (final NumberFormatException e) {
            return 1L;
        }
    }

    protected String processRequest(final DataStoreParams paramMap, final Map<String, Object> dataMap, final String url,
            final CrawlerClient client) {