final String value = System.getProperty("corelib.timeout_task.num_of_threads");
        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;
        }

        facetInfo.field = fields;
        facetInfo.query = queries;
        final String sizeStr = request.getParameter("facet.size");
        if (StringUtil.isNotBlank(sizeStr)) {
            facetInfo.size = Integer.parseInt(sizeStr);
        }
        final String minDocCountStr = request.getParameter("facet.minDocCount");
        if (StringUtil.isNotBlank(minDocCountStr)) {
            facetInfo.minDocCount = Long.parseLong(minDocCountStr);

import org.jspecify.annotations.Nullable;

/**
 * Tester for {@code Collector} implementations.
 *
 * <p>Example usage:
 *
 * <pre>
 * CollectorTester.of(Collectors.summingInt(Integer::parseInt))
 *     .expectCollects(3, "1", "2")
 *     .expectCollects(10, "1", "4", "3", "2")
 *     .expectCollects(5, "-3", "0", "8");
 * </pre>
 *
 * @author Louis Wasserman

        if (protoSession != null
                && protoSession.getUserProperties().containsKey(Constants.MAVEN_BUILDER_MAX_PROBLEMS)) {
            int limit = Integer.parseInt(protoSession.getUserProperties().get(Constants.MAVEN_BUILDER_MAX_PROBLEMS));
            return create(limit, p -> true);
        } else {
            return create(100);
        }
    }

    /**

		p.get(lex.LSH)
		tok := p.get(scanner.Int)
		amount, err := strconv.ParseInt(tok.String(), 10, 16)
		if err != nil {
			p.errorf("parsing left shift amount: %s", err)
		}
		num = int16(amount)
	} else if p.peek() == '[' {
		// parses an element: [Index]
		p.get('[')
		tok := p.get(scanner.Int)
		index, err := strconv.ParseInt(tok.String(), 10, 16)
		p.get(']')
		if err != nil {

	maxVerStr := env.Get(EnvAPIObjectMaxVersions, "")
	if maxVerStr == "" {
		maxVerStr = env.Get(EnvAPIObjectMaxVersionsLegacy, kvs.Get(apiObjectMaxVersions))
	}
	if maxVerStr != "" {
		maxVersions, err := strconv.ParseInt(maxVerStr, 10, 64)
		if err != nil {
			return cfg, err
		}
		if maxVersions <= 0 {
			return cfg, fmt.Errorf("invalid object max versions value: %v", maxVersions)
		}
		cfg.ObjectMaxVersions = maxVersions

            final String expression, final int from, final int to, final Object value, final String indexStr)
            throws IntrospectionException {
        try {
            int index = Integer.parseInt(indexStr);

            if (value.getClass().isArray()) {
                return Array.get(value, index);
            }

            if (value instanceof List list) {
                return list.get(index);

     */
    protected static int getPort() {
        final String value = System.getProperty(FESS_PORT);
        if (value != null) {
            return Integer.parseInt(value);
        }
        return 8080;
    }

    /**
     * Gets the context path for the web application from system properties.
     *

        String clean = s.replaceAll("[^0-9A-Fa-f]", "");
        int len = clean.length();
        byte[] out = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            out[i / 2] = (byte) Integer.parseInt(clean.substring(i, i + 2), 16);
        }
        return out;
    }

    @Test
    @DisplayName("getNTHash: known vector for 'password'")
    void testGetNTHash_knownVector() {
        // Arrange

                    if (value != null) {
                        if (!currentDirectiveList.isEmpty() && !StringUtil.isEmpty(value)) {
                            try {
                                final int crawlDelay = Integer.parseInt(value);
                                for (final Directive directive : currentDirectiveList) {
                                    directive.setCrawlDelay(Math.max(0, crawlDelay));
                                }