nsecs = -(nsecs - 1e9) // Take that second away from nsecs
	}
	return strings.TrimRight(fmt.Sprintf("%s%d.%09d", sign, secs, nsecs), "0")
}

// parsePAXRecord parses the input PAX record string into a key-value pair.
// If parsing is successful, it will slice off the currently read record and
// return the remainder as r.
func parsePAXRecord(s string) (k, v, r string, err error) {
	// The size field ends at the first space.

    public static final String URL = "url";

    /** File passwords key for metadata */
    public static final String FILE_PASSWORDS = "file.passwords";

    /** Map containing metadata key-value pairs */
    protected Map<String, String[]> metadata = new HashMap<>();

    /** The extracted content text */
    protected String content;

    /**
     * Constructs a new ExtractData.
     */