* - Proper buffer validation and limits
 */
public class BufferCache {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private BufferCache() {
        // Utility class - not instantiable
    }

    private static final int MAX_BUFFERS = Config.getInt("jcifs.smb1.smb.maxBuffers", 16);

    public Collection<Integer>[] createValueArray(int length) {
      return new ImmutableSet[length];
    }
  }

  /**
   * Useless constructor for a class of static utility methods.
   *
   * @deprecated Do not instantiate this utility class.
   */
  @Deprecated
  public MapGenerators() {}

* X-Forwarded-Proto: o protocolo original (`https`)
* X-Forwarded-Host: o host original (`mysuperapp.com`)

Quando a **CLI do FastAPI** é configurada com `--forwarded-allow-ips`, ela confia nesses headers e os utiliza, por exemplo, para gerar as URLs corretas em redirecionamentos.

## Proxy com um prefixo de path removido { #proxy-with-a-stripped-path-prefix }

Você pode ter um proxy que adiciona um prefixo de path à sua aplicação.

        builder.put(i, elements[i]);
      }
      return builder.build().values().asList();
    }
  }

  /**
   * Useless constructor for a class of static utility methods.
   *
   * @deprecated Do not instantiate this utility class.
   */
  @Deprecated
  public SortedMapGenerators() {}

import java.net.Inet6Address;
import java.net.InetAddress;

/**
 * Utility class for handling IP addresses, particularly IPv6 addresses in URLs.
 * This class provides methods to properly format IPv6 addresses for use in URLs
 * by adding brackets where necessary.
 */
public final class IpAddressUtil {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private IpAddressUtil() {

import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

/**
 * Utility class for creating test fixtures and reducing code duplication in tests.
 */
public final class TestUtils {

    private TestUtils() {
        // Utility class
    }

    /**
     * Creates a mock UpgradeContext with default settings.
     *
     * @return a mock UpgradeContext

## Herramientas previas { #previous-tools }

### <a href="https://www.djangoproject.com/" class="external-link" target="_blank">Django</a> { #django }

Es el framework más popular de Python y es ampliamente confiable. Se utiliza para construir sistemas como Instagram.

import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;

import org.codelibs.core.misc.LocaleUtil;

/**
 * Utility class for {@link DecimalFormat}.
 *
 * @author higa
 */
public abstract class DecimalFormatUtil {

    /**
     * Do not instantiate.
     */
    protected DecimalFormatUtil() {
    }

    /**

 */
package org.codelibs.core.xml;

import javax.xml.XMLConstants;
import javax.xml.validation.SchemaFactory;

import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link SchemaFactory}.
 *
 * @author koichik
 */
public abstract class SchemaFactoryUtil {

    private static final Logger logger = Logger.getLogger(SchemaFactoryUtil.class);

    /**

 */
package org.codelibs.core.io;

import static org.codelibs.core.log.Logger.format;

import java.io.Closeable;
import java.io.IOException;

import org.codelibs.core.log.Logger;

/**
 * Utility class for {@link Closeable} operations.
 *
 * @author koichik
 */
public abstract class CloseableUtil {

    /**
     * Do not instantiate.
     */
    protected CloseableUtil() {
    }