System.out.println("Project " + project1.getId() + " " + project1);
        Set set = project1.getArtifacts();
        assertNotNull(set, "No artifacts");
        assertFalse(set.isEmpty(), "No Artifacts");
        assertTrue(set.size() == 3, "Set size should be 3, is " + set.size());

        for (Object aSet : set) {
            Artifact artifact = (Artifact) aSet;

        if (entry.getKey().equals(key)) {
          expectedValues.add(entry.getValue());
        }
      }

      Collection<V> collection = multimap().asMap().get(key);
      if (expectedValues.isEmpty()) {
        assertNull(collection);
      } else {
        assertEqualIgnoringOrder(expectedValues, collection);
      }
    }
  }

  @CollectionSize.Require(absent = ZERO)

        assertEquals(0, channelInfo.getRequestsPending());
        assertTrue(channelInfo.getPendingOperations().isEmpty());

        channelInfo.addPendingOperation(mockOperation);
        assertEquals(1, channelInfo.getRequestsPending());
        assertFalse(channelInfo.getPendingOperations().isEmpty());

        assertTrue(channelInfo.removePendingOperation(mockOperation));

   * despite actually having content when read.) This means that a source may return {@code true}
   * from {@code isEmpty()} despite having readable content.
   *
   * @throws IOException if an I/O error occurs
   * @since 15.0
   */
  public boolean isEmpty() throws IOException {
    Optional<Long> sizeIfKnown = sizeIfKnown();
    if (sizeIfKnown.isPresent()) {
      return sizeIfKnown.get() == 0L;

        .containsExactly("a", "in", "the", "over", "quick", "jumped")
        .inOrder();
    assertTrue(set.subSet("", "b").isEmpty());
    assertTrue(set.subSet("vermont", "california").isEmpty());
    assertTrue(set.subSet("aaa", "zzz").isEmpty());
    assertThrows(IllegalArgumentException.class, () -> set.subSet("quick", "the"));
  }

  public void testExplicit_first() {
    SortedSet<String> set =

    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

    public boolean hasModification() {
        return !__modifiedProperties.isEmpty();
    }

    protected EntityModifiedProperties newModifiedProperties() {
        return new EntityModifiedProperties();
    }

    protected void registerModifiedProperty(String propertyName) {

  }

  @Override
  public @Nullable E higher(E e) {
    return delegate.higher(checkValid(e));
  }

  @Override
  public boolean isEmpty() {
    return delegate.isEmpty();
  }

  @Override
  public Iterator<E> iterator() {
    return delegate.iterator();
  }

  @Override
  public E last() {
    return delegate.last();
  }

    List<Integer> sublist = list.subList(0, 5);
    assertThat(sublist).containsExactly(1, 2, 3, 4, 5).inOrder();

    sublist.clear();
    assertTrue(sublist.isEmpty());
    multimap.put("foo", 6);

    assertThrows(ConcurrentModificationException.class, () -> sublist.isEmpty());
  }

  public void testCreateFromMultimap() {
    Multimap<String, Integer> multimap = create();
    multimap.put("foo", 1);

        if (entry.getKey().equals(key)) {
          expectedValues.add(entry.getValue());
        }
      }

      Collection<V> collection = multimap().asMap().get(key);
      if (expectedValues.isEmpty()) {
        assertNull(collection);
      } else {
        assertEqualIgnoringOrder(expectedValues, collection);
      }
    }
  }

  @CollectionSize.Require(absent = ZERO)

              .copy(fileName = storyResourceName)
          result.add(story)
          i++
        }
      } finally {
        storyInputStream.close()
      }
    }

    if (result.isEmpty()) {
      // missing files
      result.add(Story.MISSING)
    }

    return result
  }