* the names and the server does not have to return all directory
 * entries.
 * <p>
 * The wildcard expression may consist of two special meta
 * characters in addition to the normal filename characters. The '*'
 * character matches any number of characters in part of a name. If
 * the expression begins with one or more '?'s then exactly that
 * many characters will be matched whereas if it ends with '?'s

    /** The key of the message: {item} may not be empty. */
    public static final String CONSTRAINTS_NotEmpty_MESSAGE = "{constraints.NotEmpty.message}";

    /** The key of the message: script expression "{script}" didn't evaluate to true. */
    public static final String CONSTRAINTS_ParametersScriptAssert_MESSAGE = "{constraints.ParametersScriptAssert.message}";

    public static final String LABELS_PATHS = "{labels.paths}";

    /** The key of the message: Port */
    public static final String LABELS_PORT = "{labels.port}";

    /** The key of the message: Regular Expression */
    public static final String LABELS_REGEX = "{labels.regex}";

    /** The key of the message: Regular Name */
    public static final String LABELS_REGULAR_NAME = "{labels.regularName}";