*/
    public String toString() {
        return "PatternSet [" +
            "includes: {" + getIncludes().stream().collect(java.util.stream.Collectors.joining(", ")) + "}, " +
            "excludes: {" + getExcludes().stream().collect(java.util.stream.Collectors.joining(", ")) + "}]";
    }
            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class>

   * {@code stream.map(function).collect(Collectors.toCollection(supplier))}.
   *
   * <p>To collect to an {@link ImmutableMultiset}, use {@link
   * ImmutableMultiset#toImmutableMultiset}.
   *
   * @since 22.0
   */
  public static <T extends @Nullable Object, E extends @Nullable Object, M extends Multiset<E>>
      Collector<T, ?, M> toMultiset(
          Function<? super T, E> elementFunction,

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.Set;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.ToIntFunction;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**

   * the collection operation is performed. (This differs from the {@code Collector} returned by
   * {@link java.util.stream.Collectors#toMap(java.util.function.Function,
   * java.util.function.Function) Collectors.toMap(Function, Function)}, which throws an {@code
   * IllegalStateException}.)
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */

   * {@link java.util.stream.Collectors#toMap(java.util.function.Function,
   * java.util.function.Function) Collectors.toMap(Function, Function)}, which throws an {@code
   * IllegalStateException}.)
   *
   * @since 21.0
   */
  public static <T extends @Nullable Object, K extends Enum<K>, V>
      Collector<T, ?, ImmutableMap<K, V>> toImmutableEnumMap(

        ProblemCollector collector2 = ProblemCollectorFactory.newInstance(Collections.singletonList(problem));

        assertNotSame(collector1, collector2);
        assertEquals(0, collector1.getProblems().size());
        assertEquals(1, collector2.getProblems().size());
    }

    @Test
    void testAddProblem() {
        ProblemCollector collector = ProblemCollectorFactory.newInstance(null);

        context.put("project.baseUri", "myBaseUri");
    }

    protected void assertProblemFree(SimpleProblemCollector collector) {
        assertEquals(0, collector.getErrors().size(), "Expected no errors");
        assertEquals(0, collector.getWarnings().size(), "Expected no warnings");
        assertEquals(0, collector.getFatals().size(), "Expected no fatals");
    }

    @SuppressWarnings("SameParameterValue")

 * create the {@code TopKSelector} instance.
 *
 * <p>If your input data is available as a {@link Stream}, prefer passing {@link
 * Comparators#least(int)} to {@link Stream#collect(java.util.stream.Collector)}. If it is available
 * as an {@link Iterable} or {@link Iterator}, prefer {@link Ordering#leastOf(Iterable, int)}.
 *
 * <p>This uses the same efficient implementation as {@link Ordering#leastOf(Iterable, int)},

            .put("two", 2)
            .buildOrThrow();
    CollectorTester.of(collector, equivalence)
        .expectCollects(expected, mapEntry("one", 1), mapEntry("two", 2), mapEntry("three", 3));
  }

  public void testToImmutableSortedMap_withComparator() {
    Collector<Entry<String, Integer>, ?, ImmutableSortedMap<String, Integer>> collector =
        toImmutableSortedMap(String.CASE_INSENSITIVE_ORDER, Entry::getKey, Entry::getValue);

        NullPointerException.class,
        () -> ImmutableSetMultimap.copyOf((Multimap<String, Integer>) input));
  }

  public void testToImmutableSetMultimap() {
    Collector<Entry<String, Integer>, ?, ImmutableSetMultimap<String, Integer>> collector =
        toImmutableSetMultimap(Entry::getKey, Entry::getValue);
    BiPredicate<ImmutableSetMultimap<?, ?>, ImmutableSetMultimap<?, ?>> equivalence =
        Equivalence.equals()