* analysis that that means "plain {@code T}" rather than the inferred type {@code @Nullable T}.
   * (And even if annotations on local variables were permitted as an optional hint, no annotation
   * would be the right tool for the job here: {@code @Nullable} is the annotation that we're trying
   * to get rid of, and {@code @NonNull} would be wrong for our use case for the same reason as

   * analysis that that means "plain {@code T}" rather than the inferred type {@code @Nullable T}.
   * (And even if annotations on local variables were permitted as an optional hint, no annotation
   * would be the right tool for the job here: {@code @Nullable} is the annotation that we're trying
   * to get rid of, and {@code @NonNull} would be wrong for our use case for the same reason as

</div>

/// note | Nota

Cuando instalas con `pip install "fastapi[standard]"` viene con algunas dependencias opcionales estándar por defecto, incluyendo `fastapi-cloud-cli`, que te permite hacer deploy a <a href="https://fastapicloud.com" class="external-link" target="_blank">FastAPI Cloud</a>.

Si no quieres tener esas dependencias opcionales, en su lugar puedes instalar `pip install fastapi`.

    /**
     * Checks if this file handle is still valid
     *
     * @return whether the file descriptor is valid
     */
    boolean isValid();

    /**
     * Closes this file handle and optionally sets the last write time
     *
     * @param lastWriteTime the last write time to set, or 0 to leave unchanged
     * @throws CIFSException if an error occurs while closing the file
     */

     * @param sessionId The session ID to filter by (optional).
     * @param queryBuilder The query builder for search criteria (optional).
     * @param from The starting index for pagination (optional).
     * @param size The maximum number of results to return (optional).
     * @param sortBuilders The sort builders for ordering results (optional).
     * @return The list of retrieved objects.
     */

import org.codelibs.fess.app.web.api.ApiResult.Status;
import org.codelibs.fess.app.web.base.FessBaseAction;
import org.codelibs.fess.mylasta.action.FessMessages;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.core.message.MessageManager;
import org.lastaflute.web.login.LoginManager;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;

     */
    public static class TextFragment {
        /** Optional prefix text before the target */
        private final String prefix;
        /** Start of the target text */
        private final String textStart;
        /** Optional end of the target text */
        private final String textEnd;
        /** Optional suffix text after the target */
        private final String suffix;

   | specification in this list marked as active will be used.
   |-->
  <proxies>
    <!-- proxy
     | Specification for one proxy, to be used in connecting to the network.
     |
    <proxy>
      <id>optional</id>
      <active>true</active>
      <protocol>http</protocol>
      <username>proxyuser</username>
      <password>proxypass</password>
      <host>proxy.host.net</host>
      <port>80</port>

import org.codelibs.fess.app.web.api.ApiResult;
import org.codelibs.fess.app.web.api.ApiResult.ApiErrorResponse;
import org.codelibs.fess.app.web.api.ApiResult.Status;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.api.ApiFailureHook;
import org.lastaflute.web.api.ApiFailureResource;
import org.lastaflute.web.login.exception.LoginUnauthorizedException;
import org.lastaflute.web.response.ApiResponse;

import java.util.Map;
import java.util.regex.Pattern;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.Constants;
import org.dbflute.optional.OptionalThing;

/**
 * Utility class for managing field configurations with parameter mappings.
 * This class provides functionality to retrieve and manage field-specific configurations
 * from a parameter map.
 */