*/
  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);
    }

        // Authentication bypass attempt
        assertEquals("\\2a", LdapUtil.escapeValue("*"));

        // Filter injection to match any user
        assertEquals("\\2a\\29\\28|\\28cn=\\2a", LdapUtil.escapeValue("*)(|(cn=*"));

        // Attempt to close filter and add OR condition
        assertEquals("admin\\29\\28|\\28password=\\2a\\29", LdapUtil.escapeValue("admin)(|(password=*)"));

		// Sanity check, should not happen.
		o.FilterPrefix = ""
	}
}

// filter will apply the options and return the number of objects requested by the limit.
// Will return io.EOF if there are no more entries with the same filter.
// The last entry can be used as a marker to resume the listing.
func (r *metacacheReader) filter(o listPathOptions) (entries metaCacheEntriesSorted, err error) {
	// Forward to prefix, if any

                // TODO: "package this up" for external builds
                copy.from(new File(root, "build-tools-internal/src/main/resources/eclipse.settings"));
                copy.into(".settings");
                copy.filter(new Transformer<String, String>() {
                    @Override
                    public String transform(String s) {
                        return s.replaceAll("@@LICENSE_HEADER_TEXT@@", finalLicenseHeader);

     *
     * If strict resource lifecycle is used, make sure you close the individual files after use.
     *
     * @param filter
     *            a file filter to exclude files from the results
     * @return An array of {@code SmbResource} objects
     * @throws SmbException if an error occurs while listing the files
     */
    public SmbFile[] listFiles(final SmbFileFilter filter) throws SmbException {

                }
            }
        }
        if (!unresolvedSelectors.isEmpty()) {
            String requiredSelectors = unresolvedSelectors.stream()
                    .filter(pas -> !pas.activationSettings().optional())
                    .map(ProjectActivation.ProjectActivationSettings::selector)
                    .collect(Collectors.joining(", "));
            if (!requiredSelectors.isEmpty()) {

import org.apache.maven.api.Service;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Service for creating {@link PathMatcher} objects that can be used to filter files
 * based on include/exclude patterns. This service provides a clean API for plugins
 * to create path matchers without directly depending on implementation classes.
 * <p>

            return 4000;
        }
    }

    /**
     * Parses and validates field filter parameters from the request.
     * Only configured label values are accepted to prevent query injection.
     *
     * @param request the HTTP request
     * @return a map of field names to their validated filter values
     */
    protected Map<String, String[]> parseFieldFilters(final HttpServletRequest request) {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.filter;

import java.io.IOException;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.helper.RateLimitHelper;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;

        }
    }

    // Test property filter returning null simulation
    @Test
    public void test_get_filterReturnsNull() {
        // The filter.null property is configured to simulate null filter behavior
        try {
            fessConfig.get("filter.null");
            fail("Should throw exception when property is not found");