}

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     */
    public void addTag(final String tag) {
        tags.add(tag);
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);
    }

    /**
     * Adds a field to filter by.
     * @param field The field name.

    public String available;

    /** Search/filter parameter for data configuration sort order. */
    public String sortOrder;

    /** Search/filter parameter for data configuration creator. */
    public String createdBy;

    /** Search/filter parameter for data configuration creation time. */
    public String createdTime;

    PathScope getPathScope();

    /**
     * Returns a filter for the types of path (class-path, module-path, …) accepted by the tool.
     * For example, if a Java tools accepts only class-path elements, then the filter should return
     * {@code true} for {@link JavaPathType#CLASSES} and {@code false} for {@link JavaPathType#MODULES}.
     * If no filter is explicitly set, then the default is a filter accepting everything.
     *

    public ArtifactResolutionRequest setCollectionFilter(ArtifactFilter filter) {
        this.collectionFilter = filter;

        return this;
    }

    /**
     * Gets the artifact filter that controls downloading of artifact files. This filter operates on those artifacts
     * that have been included by the {@link #getCollectionFilter()}.
     *

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Servlet filter for handling character encoding conversion and URL redirection.
 * This filter processes requests with specific encoding requirements and converts
 * character encodings according to configured mapping rules.
 *
 * <p>The filter intercepts requests matching configured path patterns and

    private DosFileFilter filter;

    @BeforeEach
    public void setup() {
        filter = new DosFileFilter("*", SmbFile.ATTR_NORMAL);
    }

    @Test
    public void testAcceptReturnsTrueWhenAttributesMatch() throws Exception {
        SmbFile file = mock(SmbFile.class);
        when(file.getAttributes()).thenReturn(SmbFile.ATTR_NORMAL);
        assertTrue(filter.accept(file), "Attributes match should be accepted");

                DefaultNode node = new DefaultNode(session, resolverNode, false);
                return Collections.unmodifiableMap(node.stream()
                        .filter(Objects::nonNull)
                        .map(Node::getDependency)
                        .filter(Objects::nonNull)
                        .collect(Collectors.toMap(d -> d.getGroupId() + ":" + d.getArtifactId(), d -> d)));
            }
        };
    }

   */
  public static <E extends @Nullable Object> Collection<E> filter(
      Collection<E> unfiltered, Predicate<? super E> predicate) {
    if (unfiltered instanceof FilteredCollection) {
      // Support clear(), removeAll(), and retainAll() when filtering a filtered
      // collection.
      return ((FilteredCollection<E>) unfiltered).createCombined(predicate);
    }

public class QueryLogTest {

    @Test
    public void test_constructor() throws Exception {
        QueryLog queryLog = new QueryLog("test query", "test filter");

        assertNotNull(queryLog);
        assertEquals("test query", queryLog.getQueryString());
        assertEquals("test filter", queryLog.getFilterQueryString());
    }

    @Test
    public void test_constructorWithNullFilter() throws Exception {

/**
 * The QueryLog class represents a log entry containing a query string and an optional filter query string.
 */
public class QueryLog {
    private final String q;
    private final String fq;

    /**
     * Constructor for QueryLog.
     * @param queryString The query string.
     * @param filterQueryString The filter query string (can be null).
     */