private final String suffix;

        /**
         * Constructs a new TextFragment.
         *
         * @param prefix optional prefix text
         * @param textStart start of the target text
         * @param textEnd optional end of the target text
         * @param suffix optional suffix text
         */

Então para renovar os certificados, o programa de renovação precisa **provar** para a autoridade (Let's Encrypt) que ele realmente **possui e controla esse domínio**>

Para fazer isso, e acomodar as necessidades de diferentes aplicações, existem diferentes opções para esse programa. Algumas escolhas populares são:

* **Modificar alguns registros DNS**

     *
     * @param content the message to log
     */
    void debug(CharSequence content);

    /**
     * Sends a message (and accompanying exception) to the user in the <b>debug</b> error level.
     * The error's stacktrace will be output when this error level is enabled.
     *
     * @param content the message to log
     * @param error the error that caused this log
     */

    /**
     * Retrieve all addresses of a host by it's name.
     *
     * @param host
     *            hostname to lookup all addresses for
     * @param type
     *            the hexcode of the name
     * @param scope
     *            the scope of the name
     * @param svr
     *            server to query
     *
     * @return the resolved addresses

    }

    /**
     * Gets a typed value from a document map with a default value.
     *
     * @param <T> the type to convert the value to
     * @param doc the document map to extract the value from
     * @param key the key to look up in the document map
     * @param clazz the class type to convert the value to
     * @param defaultValue the default value to return if the key is not found or conversion fails

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asListHtml();
    }

    /**
     * Show the list page.
     * @param pageNumber The page number.
     * @param form The search form.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final Integer pageNumber, final SearchForm form) {

        forEach(rootDir, null, handler);
    }

    /**
     * Traverses classes contained in the file system.
     *
     * @param rootDir the root directory (must not be {@literal null})
     * @param rootPackage the root package
     * @param handler the handler to process classes (must not be {@literal null})
     */

        }
        return propertyName.substring(prefix.length());
    }

    /**
     * Converts a value.
     *
     * @param value
     *            The value
     * @param destPropertyName
     *            The destination property name
     * @param destPropertyClass
     *            The destination property class
     * @return The converted value
     */

     * This method is synchronized to ensure thread safety when managing processes.
     *
     * @param sessionId unique identifier for the process session
     * @param cmdList list of command and arguments to execute
     * @param pbCall callback to configure the ProcessBuilder
     * @param bufferSize size of the buffer for process output
     * @param outputCallback callback to handle process output lines

     *
     * @param type The component type.
     * @return The component.
     * @param <T> The component type.
     * @throws LookupException if no such component or there is some provisioning related issue.
     */
    @Nonnull
    <T> T lookup(Class<T> type);

    /**
     * Performs a lookup for given typed component.
     *
     * @param type The component type.