assertEquals(underlying.size(), map.size());
    assertFalse(map.containsKey("c"));

    underlying.clear();
    assertEquals(underlying.size(), map.size());
  }

  public void testTransformChangesAreReflectedInUnderlyingMap() {
    Map<String, Integer> underlying = new LinkedHashMap<>();
    underlying.put("a", 1);
    underlying.put("b", 2);
    underlying.put("c", 3);
    underlying.put("d", 4);

  }

  /**
   * Wraps a {@code Callable} for submission to the underlying executor. This method is also applied
   * to any {@code Runnable} passed to the default implementation of {@link #wrapTask(Runnable)}.
   */
  protected abstract <T extends @Nullable Object> Callable<T> wrapTask(Callable<T> callable);

  /**
   * Wraps a {@code Runnable} for submission to the underlying executor. The default implementation

  }

  @Override
  protected Map<String, String> makePopulatedMap() {
    Map<String, Integer> underlying = new HashMap<>();
    underlying.put("a", 1);
    underlying.put("b", 2);
    underlying.put("c", 3);
    return transformValues(underlying, Functions.toStringFunction());
  }

  }

  @Override
  protected Map<String, String> makePopulatedMap() {
    Map<String, Integer> underlying = new HashMap<>();
    underlying.put("a", 1);
    underlying.put("b", 2);
    underlying.put("c", 3);
    return transformValues(underlying, Functions.toStringFunction());
  }

     * The abort flag is set to false by default.
     *
     * @param url the URL where the crawling error occurred
     * @param message the error message
     * @param e the underlying exception that caused this error
     */
    public DataStoreCrawlingException(final String url, final String message, final Exception e) {
        this(url, message, e, false);
    }

    /**

    }

    /**
     * Invokes the underlying method represented by the {@link Method} object, with the specified object and parameters.
     *
     * @param <T>
     *            The return type of the method
     * @param method
     *            The method. Cannot be {@literal null}
     * @param target
     *            The object on which the underlying method is to be called. {@literal null} for {@literal static} methods

import org.codelibs.fess.Constants;

/**
 * A wrapper class that manages a system process for job execution.
 * This class provides access to the underlying process and manages
 * the input stream thread for capturing process output.
 */
public class JobProcess {
    /**
     * The underlying system process.
     */
    protected Process process;

    /**
     * The thread that handles reading from the process input stream.
     */

   * <p>Changes to the returned map will update the underlying table, and vice versa.
   *
   * @param columnKey key of column to search for in the table
   * @return the corresponding map from row keys to values
   */
  Map<R, V> column(@ParametricNullness C columnKey);

  /**
   * Returns a set of all row key / column key / value triplets. Changes to the returned set will

     *
     * @param cause the underlying exception
     */
    public SQLRuntimeException(final SQLException cause) {
        super("ECL0072", asArray(getSql(cause), getRealMessage(cause), Integer.toString(cause.getErrorCode()), cause.getSQLState()), cause);
    }

    /**
     * Returns the <code>SQL</code>.
     *
     * @param cause the underlying exception
     * @return the <code>SQL</code>
     */

    private static final long serialVersionUID = 1L;

    /**
     * Creates a new DataStoreException with the specified message and cause.
     *
     * @param message the error message
     * @param cause the underlying cause of this exception
     */
    public DataStoreException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**