return false;
    }
    NetworkConnections<N, E> connectionsU = nodeConnections.get(nodeU);
    if (!allowsParallelEdges()) {
      checkArgument(
          !(connectionsU != null && connectionsU.successors().contains(nodeV)),
          PARALLEL_EDGES_NOT_ALLOWED,
          nodeU,
          nodeV);
    }
    boolean isSelfLoop = nodeU.equals(nodeV);
    if (!allowsSelfLoops()) {

 *
 * {@snippet :
 * someGraphAlgorithm(startNode, node -> ImmutableList.of(node.mother(), node.father()));
 * }
 *
 * <p>Graph algorithms that need additional capabilities (accessing both predecessors and
 * successors, iterating over the edges, etc.) should declare their input to be of a type that
 * provides those capabilities, such as {@link Graph}, {@link ValueGraph}, or {@link Network}.
 *
 * <h3>Additional documentation</h3>
 *

      if (connections.removeSuccessor(node) != null) {
        connections.removePredecessor(node);
        --edgeCount;
      }
    }

    for (N successor : ImmutableList.copyOf(connections.successors())) {
      // requireNonNull is safe because the node is a successor.
      requireNonNull(nodeConnections.getWithoutCaching(successor)).removePredecessor(node);
      requireNonNull(connections.removeSuccessor(successor));

     * Atomic counter for tracking active crawler threads without lock contention.
     */
    protected final AtomicInteger activeThreadCount = new AtomicInteger(0);

    /**
     * Atomic counter for tracking the number of accesses made.
     */
    protected AtomicLong accessCount = new AtomicLong(0);

    /**
     * Current status of the crawler.
     */
    protected volatile CrawlerStatus status = CrawlerStatus.INITIALIZING;

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public Boolean getAvailable() {
        checkSpecifiedProperty("available");
        return available;
    }

    links = null;
    return result;
  }

  /*
   * For discussion of the safety of the following methods for operating on predecessors and
   * successors, see the comments near the end of CompactHashMap, noting that the methods here call
   * link(), which is defined at the end of this file.
   */

  private int getPredecessor(int entry) {

   * Creates an {@code MonitorBasedArrayBlockingQueue} with the given (fixed) capacity and the
   * specified access policy.
   *
   * @param capacity the capacity of this queue
   * @param fair if {@code true} then queue accesses for threads blocked on insertion or removal,
   *     are processed in FIFO order; if {@code false} the access order is unspecified.
   * @throws IllegalArgumentException if {@code capacity} is less than 1
   */

        return sb.toString();
    }

    // ===================================================================================
    //                                                                            Accessor
    //                                                                            ========
    public Boolean getAvailable() {
        checkSpecifiedProperty("available");
        return available;
    }

     * <p>
     * This method traverses the parent hierarchy and includes profiles defined in parent POMs.
     * The returned list contains profiles from the current project and all of its ancestors in
     * the project inheritance chain.
     *
     * @return a non-null, possibly empty list of all profiles from this project and its parents
     * @see Profile
     * @see #getDeclaredProfiles()
     */

import org.dbflute.cbean.scoping.UnionQuery;
import org.dbflute.cbean.sqlclause.SqlClause;
import org.dbflute.cbean.sqlclause.orderby.OrderByClause;
import org.dbflute.dbmeta.DBMeta;
import org.dbflute.dbmeta.accessory.DerivedTypeHandler;
import org.dbflute.jdbc.StatementConfig;
import org.dbflute.system.DBFluteSystem;
import org.dbflute.twowaysql.style.BoundDateDisplayStyle;
import org.opensearch.action.search.SearchRequestBuilder;