*         hierarchy which incidentally is also <code>smb://</code>.
     */
    String getParent();

    /**
     * Returns the full uncanonicalized URL of this SMB resource. An
     * <code>SmbFile</code> constructed with the result of this method will
     * result in an <code>SmbFile</code> that is equal to the original.
     *
     * @return The uncanonicalized full URL of this SMB resource.
     */

    String getPath();

import com.google.common.graph.GraphConstants.Presence;

/**
 * Standard implementation of {@link MutableGraph} that supports both directed and undirected
 * graphs. Instances of this class should be constructed with {@link GraphBuilder}.
 *
 * <p>Time complexities for mutation methods are all O(1) except for {@code removeNode(N node)},
 * which is in O(d_node) where d_node is the degree of {@code node}.
 *
 * @author James Sexton

import com.google.common.graph.GraphConstants.Presence;

/**
 * Standard implementation of {@link MutableGraph} that supports both directed and undirected
 * graphs. Instances of this class should be constructed with {@link GraphBuilder}.
 *
 * <p>Time complexities for mutation methods are all O(1) except for {@code removeNode(N node)},
 * which is in O(d_node) where d_node is the degree of {@code node}.
 *
 * @author James Sexton

import org.junit.jupiter.api.Test;

/**
 * Tests for the DfsReferral class.
 * This class tests the functionality of the DfsReferral class,
 * ensuring that objects are constructed correctly, appended properly,
 * and that the toString method returns the expected format.
 */
class DfsReferralTest {

    /**
     * Tests the default constructor of the DfsReferral class.

  }

  // TODO(cpovirk): Use standard Javadoc form for SimpleForwarding* class and constructor
  /**
   * A simplified version of {@link ForwardingListenableFuture} where subclasses can pass in an
   * already constructed {@link ListenableFuture} as the delegate.
   *
   * @since 9.0
   */
  public abstract static class SimpleForwardingListenableFuture<V extends @Nullable Object>
      extends ForwardingListenableFuture<V> {

        Throwable cause = new IllegalArgumentException("Cause exception");
        FessSystemException exception = new FessSystemException(cause);

        assertEquals(cause, exception.getCause());
        // When constructed with cause only, message contains the cause's toString()
        assertTrue(exception.getMessage().contains(cause.getClass().getName()));
        assertTrue(exception.getMessage().contains("Cause exception"));
    }

  }

  @Override
  public void refresh(K key) {
    delegate().refresh(key);
  }

  /**
   * A simplified version of {@link ForwardingLoadingCache} where subclasses can pass in an already
   * constructed {@link LoadingCache} as the delegate.
   *
   * @since 10.0
   */
  public abstract static class SimpleForwardingLoadingCache<K, V>
      extends ForwardingLoadingCache<K, V> {

   * may be false for some instances where the statistics are mathematically equal, including
   * instances constructed from the same values in a different order... or (in the general case)
   * even in the same order. (It is guaranteed to return true for instances constructed from the
   * same values in the same order if {@code strictfp} is in effect, or if the system architecture

     * so that it may be included in the list of results. IOW we do
     * not want to create a new NbtAddress object for this particular
     * address from which the query is constructed, we want to populate
     * the data of the existing address that should be one of several
     * returned by the node status.
     */

    NodeStatusResponse(final Configuration cfg, final NbtAddress queryAddress) {

     * Constructs the file path for the Python script to execute.
     * The path is relative to the web application root and follows the pattern:
     * WEB-INF/env/python/resources/{filename}
     *
     * @return the constructed file path for the Python script
     */
    protected String getPyFilePath() {
        final StringBuilder buf = new StringBuilder(100);
        buf.append("WEB-INF");
        buf.append(File.separator);