import static com.google.common.graph.Graphs.checkNonNegative;

import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import javax.annotation.CheckForNull;

/**
 * Standard implementation of {@link ValueGraph} that supports the options supplied by {@link
 * AbstractGraphBuilder}.
 *
 * <p>This class maintains a map of nodes to {@link GraphConnections}.
 *

```

////

## Declare `Header` parameters

Then declare the header parameters using the same structure as with `Path`, `Query` and `Cookie`.

You can define the default value as well as all the extra validation or annotation parameters:

//// tab | Python 3.10+

```Python hl_lines="9"
{!> ../../docs_src/header_params/tutorial001_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="9"

import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

import jakarta.annotation.PostConstruct;

public class CrawlingConfigHelper {

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

import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.annotation.Resource;
import jcifs.SID;

public class PermissionHelper {
    private static final Logger logger = LogManager.getLogger(PermissionHelper.class);

    protected String rolePrefix = "{role}";

import java.lang.ref.WeakReference;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.CheckForNull;

/**
 * Thread that finalizes referents. All references should implement {@code
 * com.google.common.base.FinalizableReference}.
 *

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;

import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import javax.annotation.CheckForNull;

/**
 * An object of this class encapsulates type mappings from type variables. Mappings are established
 * with {@link #where} and types are resolved using {@link #resolveType}.
 *

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;

import org.opensearch.core.action.ActionListener;
import org.opensearch.index.seqno.SequenceNumbers;
import org.opensearch.search.SearchHit;
import org.opensearch.search.SearchHits;

import jakarta.annotation.Resource;

/**
 * @param <ENTITY> The type of entity.
 * @param <CB> The type of condition-bean.
 * @author ESFlute (using FreeGen)
 */

import org.codelibs.fess.exception.JobNotFoundException;
import org.codelibs.fess.exception.JobProcessingException;
import org.codelibs.fess.util.InputStreamThread;
import org.codelibs.fess.util.JobProcess;

import jakarta.annotation.PreDestroy;

public class ProcessHelper {
    private static final Logger logger = LogManager.getLogger(ProcessHelper.class);