setSystemProperty(Constants.LDAP_ACCOUNT_FILTER, value);
    }

    default String getLdapAccountFilter() {
        return getSystemProperty(Constants.LDAP_ACCOUNT_FILTER);
    }

    default void setLdapGroupFilter(final String value) {
        setSystemProperty(Constants.LDAP_GROUP_FILTER, value);
    }

    default String getLdapGroupFilter() {

   * <p><b>{@code Stream} equivalent:</b> {@link Stream#filter}.
   */
  public static <T extends @Nullable Object> Iterable<T> filter(
      final Iterable<T> unfiltered, final Predicate<? super T> retainIfTrue) {
    checkNotNull(unfiltered);
    checkNotNull(retainIfTrue);
    return new FluentIterable<T>() {
      @Override
      public Iterator<T> iterator() {
        return Iterators.filter(unfiltered.iterator(), retainIfTrue);
      }

 * under the License.
 */
package org.apache.maven.artifact.resolver.filter;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

/**
 * Filter to only retain objects in the given scope or better. This implementation allows the accumulation of multiple
 * scopes and their associated implied scopes, so that the user can filter apply a series of implication rules in a

   * <p><b>{@code Stream} equivalent:</b> {@link Stream#filter}.
   */
  public static <T extends @Nullable Object> Iterable<T> filter(
      final Iterable<T> unfiltered, final Predicate<? super T> retainIfTrue) {
    checkNotNull(unfiltered);
    checkNotNull(retainIfTrue);
    return new FluentIterable<T>() {
      @Override
      public Iterator<T> iterator() {
        return Iterators.filter(unfiltered.iterator(), retainIfTrue);
      }

	//
	// 1. If a writer.write() returns false, select loop below exits and
	// closes `doneCh` to indicate to caller to also exit.
	//
	// 2. If caller (Evaluate()) has an error, it sends an error
	// message and waits for this go-routine to quit in
	// FinishWithError()
	//
	// 3. If caller is done, it waits for this go-routine to exit
	// in Finish()

	quitFlag := false
	for !quitFlag {
		select {

                    break;
                }
            }
        }
        return visitor.leave(this);
    }

    @Override
    public Node filter(Predicate<Node> filter) {
        List<Node> children =
                getChildren().stream().filter(filter).map(n -> n.filter(filter)).collect(Collectors.toList());
        return new WrapperNode(this, Collections.unmodifiableList(children));
    }

    @Override

  /// Returns pointer to an array of available configuration options and their
  /// current/default values in `options` and number of options in array in
  /// `num_options`. Ownership of the array is transferred to caller and the
  /// caller is responsible of freeing the buffers using respective file systems
  /// allocation API.
  ///
  /// Plugins:
  ///   * Must set `status` to `TF_OK` if `options` and `num_options` set.

        stream(conditions.get(SearchRequestParams.AS_OCCURRENCE))
                .of(stream -> stream.filter(this::isOccurrence).findFirst().ifPresent(q -> queryBuf.insert(0, q + ":")));

        stream(conditions.get(SearchRequestParams.AS_Q)).of(stream -> stream
                .filter(q -> StringUtil.isNotBlank(q) && q.length() <= maxQueryLength).forEach(q -> queryBuf.append(' ').append(q)));

		}
	}
	return "unknown"
}

func (c *ConfigWriter) PrintEndpoints(filter EndpointFilter, outputFormat string) error {
	if c.configDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}
	dump, err := c.retrieveSortedEndpointsSlice(filter)
	if err != nil {
		return err
	}
	marshaller := make(proto.MessageSlice, 0, len(dump))
	for _, eds := range dump {

  }

  public void testAccept() {
    File dir = new File("foo");
    FilenameFilter filter = new PatternFilenameFilter("a+");
    assertTrue(filter.accept(dir, "a"));
    assertTrue(filter.accept(dir, "aaaa"));
    assertFalse(filter.accept(dir, "b"));

    // Show that dir is ignored
    assertTrue(filter.accept(null, "a"));
  }

  public void testNulls() throws Exception {