*     length of zero or cannot be parsed as a long value
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 14.0
   */
  public static @Nullable Long tryParse(String string) {
    return tryParse(string, 10);
  }

  /**
   * Parses the specified string as a signed long value using the specified radix. The ASCII

        if (logger.isDebugEnabled()) {
            logger.debug("CrawlerClient: {}", client.getClass().getCanonicalName());
        }
        return client;
    }

    /**
     * Parses client rule configuration string into a list of client name and pattern pairs.
     * The configuration string format is "clientName:pattern,clientName:pattern,..."
     * Results are cached to improve performance on subsequent calls.

	// It causes field unnecessarily migration.
	// Therefore, we need to record the UniqueIndex on this column (exclude Mul UniqueIndex) for MigrateColumnUnique.
	UniqueIndex string
}

func (field *Field) BindName() string {
	return strings.Join(field.BindNames, ".")
}

// ParseField parses reflect.StructField to Field

	"github.com/minio/minio/internal/mcontext"
	xnet "github.com/minio/pkg/v3/net"
)

const (
	copyDirective    = "COPY"
	replaceDirective = "REPLACE"
	accessDirective  = "ACCESS"
)

// Parses location constraint from the incoming reader.
func parseLocationConstraint(r *http.Request) (location string, s3Error APIErrorCode) {
	// If the request has no body with content-length set to 0,

	"x-amz-date",
	"date",
}

// parseAmzDateHeader - parses supported amz date headers, in
// supported amz date formats.
func parseAmzDateHeader(req *http.Request) (time.Time, APIErrorCode) {
	for _, amzDateHeader := range amzDateHeaders {
		amzDateStr := req.Header.Get(amzDateHeader)
		if amzDateStr != "" {
			t, err := amztime.Parse(amzDateStr)
			if err != nil {
				return time.Time{}, ErrMalformedDate
			}

            this.request = request;
        }

        /**
         * Parses the HTTP request to create a RequestParameter object.
         * @param request The HTTP servlet request containing the parameters
         * @return A new RequestParameter object with parsed values
         */
        protected static RequestParameter parse(final HttpServletRequest request) {
            final String query = request.getParameter("q");

                params.put("ID", e.getId());
                params.put("Query ID", e.getQueryId());
                params.put("Doc ID", e.getDocId());
                params.put("User Info ID", e.getUserInfoId());
                params.put("URL", e.getUrl());
                params.put("Created Time", FessFunctions.formatDate(e.getCreatedAt()));

            final SearchRequestParams params, final OptionalThing<FessUserBean> userBean) {
        if (logger.isDebugEnabled()) {
            logger.debug("Send {} to the searchers.", query);
        }
        final int pageSize = params.getPageSize();
        final int startPosition = params.getStartPosition();
        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {

                is.setEncoding(responseData.getCharSet());
            }
            parser.parse(is);
        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not parse " + responseData.getUrl(), e);
        }

        final Document document = parser.getDocument();

        processMetaRobots(responseData, resultData, document);

    }

    /**
     * Parses project properties from the given path.
     *
     * @param propPath The path to the project properties file.
     * @throws FessSystemException if the properties file cannot be parsed.
     */
    protected void parseProjectProperties(final Path propPath) {