* types. CharBuffer has poor performance when being written into or read out of so round tripping
   * all the bytes through the buffer takes a long time. With these specialized types we can just
   * use a char array.
   *
   * @param from the object to read from
   * @param to the object to write to
   * @return the number of characters copied

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.util;

import java.time.Duration;
import java.time.Instant;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

And you want to have a way for the frontend to authenticate with the backend, using a **username** and **password**.

We can use **OAuth2** to build that with **FastAPI**.

But let's save you the time of reading the full long specification just to find those little pieces of information you need.

Let's use the tools provided by **FastAPI** to handle security.

## How it looks { #how-it-looks }

  public synchronized void awaitAccessToken(Timeout timeout) throws InterruptedIOException {
    while (session == null) {
      timeout.waitUntilNotified(this);
    }
  }

  /** Starts a real time messaging session. */
  public void startRtm() throws IOException {
    String accessToken;
    synchronized (this) {
      accessToken = session.access_token;
    }

	public final fun callTimeout (Ljava/time/Duration;)Lokhttp3/OkHttpClient$Builder;
	public final fun callTimeout-LRDsOJo (J)Lokhttp3/OkHttpClient$Builder;
	public final fun certificatePinner (Lokhttp3/CertificatePinner;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout (JLjava/util/concurrent/TimeUnit;)Lokhttp3/OkHttpClient$Builder;
	public final fun connectTimeout (Ljava/time/Duration;)Lokhttp3/OkHttpClient$Builder;

    super(ImmutableMap.<Object, ImmutableList<Object>>of(), 0);
  }

  /*
   * TODO(b/242884182): Figure out why this helps produce the same class file when we compile most
   * of common.collect a second time with the results of the first compilation on the classpath. Or
   * just back this out once we stop doing that (which we'll do after our internal GWT setup
   * changes).
   */
  @Override

  public static <E> int drain(
      BlockingQueue<E> q,
      Collection<? super E> buffer,
      int numElements,
      long timeout,
      TimeUnit unit)
      throws InterruptedException {
    Preconditions.checkNotNull(buffer);
    /*
     * This code performs one System.nanoTime() more than necessary, and in return, the time to

            return serverAddress;
        }

        @Override
        public String toString() {
            return String.format("AuthMetadata[user=%s\\%s, type=%s, client=%s, server=%s, time=%d]", domain, username, authType,
                    clientAddress, serverAddress, timestamp);
        }
    }

import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.servlet.request.RequestManager;
import org.lastaflute.web.servlet.request.UserTimeZoneProcessProvider;

/**
 * The provider of user time-zone process.
 *
 * @author jflute
 */
public class FessUserTimeZoneProcessProvider implements UserTimeZoneProcessProvider {

    public static final TimeZone centralTimeZone = TimeZone.getDefault();

    @Override

 */
package org.codelibs.fess.crawler.exception;

/**
 * MimeTypeException is a custom exception class that extends CrawlerSystemException.
 * It is used to indicate exceptions related to MIME type handling during the crawling process.
 * This exception can be thrown with a message, a cause, or both.
 */
public class MimeTypeException extends CrawlerSystemException {