*       these guarantees to be violated).
 * </ul>
 *
 * <h4>"Interfaces", not implementations</h4>
 *
 * <p>These are classes instead of interfaces to prevent external subtyping, but should be thought
 * of as interfaces in every important sense. Each public class such as {@link ImmutableSet} is a
 * <i>type</i> offering meaningful behavioral guarantees. This is substantially different from the

     * during the Maven build lifecycle to perform the Mojo's designated task.
     *
     * <p>Implementations should handle any task-specific logic and may communicate
     * errors by throwing an {@link Exception}. Error conditions should provide
     * sufficient detail to aid troubleshooting.</p>
     *
     * @throws Exception if any issue occurs that prevents the successful execution

   * converted, an unchecked exception (such as {@link IllegalArgumentException}) should be thrown.
   *
   * @param b the instance to convert; will never be null
   * @return the converted instance; <b>must not</b> be null
   * @throws UnsupportedOperationException if backward conversion is not implemented; this should be
   *     very rare. Note that if backward conversion is not only unimplemented but

import java.util.Deque;
import java.util.Iterator;
import org.jspecify.annotations.Nullable;

/**
 * A deque which forwards all its method calls to another deque. Subclasses should override one or
 * more methods to modify the behavior of the backing deque as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *

 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**
     * Gets the one-based index of the column containing the problem. The column number should refer to some text file

   * </ul>
   *
   * <p>This assumes that any non-null objects passed to this function conform to the {@code
   * equals()} contract.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use {@link
   * java.util.Objects#equals} instead.
   */
  @SuppressWarnings("InlineMeSuggester") // would introduce fully qualified references to Objects

  }

  private void assertBad(String spec) {
    try {
      HostSpecifier.fromValid(spec);
      fail("Should have thrown IllegalArgumentException: " + spec);
    } catch (IllegalArgumentException expected) {
    }

    try {
      HostSpecifier.from(spec);
      fail("Should have thrown ParseException: " + spec);
    } catch (ParseException expected) {

            throw new IllegalArgumentException("requestType should be COLLECT when calling collect()");
        }
        return resolve(request);
    }

    /**
     * Flattens a list of nodes.
     * Note that the {@code PathScope} argument should usually be null as the dependency tree has been
     * filtered during collection for the appropriate scope.
     *

    private final ProjectLayout projectLayout;

    /**
     * A pattern set of which files should be checked.
     */
    private final PatternFilterable filesFilter = new PatternSet()
        // we always include all source files, and exclude what should not be checked
        .include("**")
        // exclude sh files that might have the executable bit set
        .exclude("**/*.sh");