*
     * @param fieldName the name of the field to get configuration for
     * @return an OptionalThing containing the Config if the field exists and has a non-blank value,
     *         otherwise an empty OptionalThing
     */
    public OptionalThing<Config> getConfig(final String fieldName) {
        final String value = params.get(fieldName);
        if (StringUtil.isNotBlank(value)) {

     * The result field.
     */
    protected static final String RESULT_FIELD = "result";

    private static final String DOC_ID_FIELD = "doc_id";

    /**
     * The GET method.
     */
    protected static final String GET = "GET";

    /**
     * The POST method.
     */
    protected static final String POST = "POST";

    /**
     * The MIME type.
     */

            final String owner = (String) responseData.getMetaDataMap().get(FtpClient.FTP_FILE_USER);
            if (owner != null) {
                roleTypeList.add(systemHelper.getSearchRoleByUser(owner));
            }
            final String group = (String) responseData.getMetaDataMap().get(FtpClient.FTP_FILE_GROUP);
            if (group != null) {

        assertEquals(Problem.Severity.ERROR, problems.get(0).getSeverity(), "First problem should be ERROR");
        assertEquals("Error message", problems.get(0).getMessage(), "First problem should have correct message");
        assertEquals(Problem.Severity.WARNING, problems.get(1).getSeverity(), "Second problem should be WARNING");
    }

            String urlCondition = conditions.get("url");
            if (urlCondition != null && responseData.getUrl() != null) {
                if (!responseData.getUrl().matches(urlCondition)) {
                    return false;
                }
            }

            // Check MIME type condition
            String mimeTypeCondition = conditions.get("mimeType");

            final RESULT result = entityType.newInstance();
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setExpiredTime(DfTypeUtil.toLong(source.get("expiredTime")));
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setSessionId(DfTypeUtil.toString(source.get("sessionId")));
            return updateEntity(source, result);

     */
    SmbTransport getSmbTransport(CIFSContext tf, String name, int port, boolean exclusive, boolean forceSigning)
            throws UnknownHostException, IOException;

    /**
     * Get transport connection
     *
     * @param tc
     *            context to use
     * @param address the server address
     * @param port the port number
     * @param exclusive

 * used; or if the class exposes a public parameter-less constructor then it will be "new"d and
 * returned.
 *
 * <p>All default instances returned by {@link #get} are generics-safe. Clients won't get type
 * errors for using {@code get(Comparator.class)} as a {@code Comparator<Foo>}, for example.
 * Immutable empty instances are returned for collection types; {@code ""} for string; {@code 0} for

Now the delete marker becomes the current version of the object. GET requests by default always retrieve the latest stored version. So performing a simple GET object request when the current version is a delete marker would return `404` `The specified key does not exist` as shown below:

![get](https://raw.githubusercontent.com/minio/minio/master/docs/bucket/versioning/versioning_GET_versionEnabled.png)

    /** Service for managing group configurations */
    @Resource
    private GroupService groupService;

    // GET /api/admin/group
    // PUT /api/admin/group
    /**
     * Returns list of group settings.
     * Supports both GET and PUT requests for retrieving paginated group configurations.
     *
     * @param body search parameters for filtering and pagination