@CollectionSize.Require(absent = ZERO)
  public void testRemove_present() {
    int initialSize = collection.size();
    assertTrue("remove(present) should return true", collection.remove(e0()));
    assertEquals(
        "remove(present) should decrease a collection's size by one.",
        initialSize - 1,
        collection.size());
    expectMissing(e0());
  }

        assertNotNull(toString);
        assertTrue("toString should contain TimeZone ID", toString.contains(FessUserTimeZoneProcessProvider.centralTimeZone.getID()));
        // The provider's toString might not contain the exact class name
        // Just verify it's not null and contains some meaningful info
        assertTrue("toString should not be empty", toString.length() > 0);
    }

                "11-malformed:-invalid" // Should not match pattern
        };

        String[] result = JvmUtil.filterJvmOptions(args);
        assertEquals(4, result.length); // All should pass through since invalid patterns don't match
        assertEquals("-Dprop=value:with:colons", result[0]);

    assertTrue("containsValue(present) should return true", getMap().containsValue(v0()));
  }

  public void testContains_no() {
    assertFalse("containsValue(notPresent) should return false", getMap().containsValue(v3()));
  }

  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
  public void testContains_nullNotContainedButAllowed() {
    assertFalse("containsValue(null) should return false", getMap().containsValue(null));
  }

            crawlerEngineClient.getClass().getMethod("close");
            assertTrue(true);
        } catch (NoSuchMethodException e) {
            fail("close method should exist");
        }
    }

    // Test toString method
    public void test_toString() {
        // Test that toString returns a non-null value
        String result = crawlerEngineClient.toString();

        // Should match first included path
        assertTrue(pattern.match("/test/path"));

        // Should match second included path
        assertTrue(pattern.match("/another/path"));

        // Should not match first excluded path
        assertFalse(pattern.match("/exclude/path"));

        // Should not match second excluded path

            fail("All expected public methods should exist: " + e.getMessage());
        }
    }

    public void test_utilityClass_pattern() {
        // Verify utility class design pattern compliance

        // 1. Class should be final
        assertTrue("Class should be final", java.lang.reflect.Modifier.isFinal(KuromojiCSVUtil.class.getModifiers()));

        // 2. Should have exactly one private constructor

    assertFalse(
        "setCount() with a too-large oldCount should return false",
        getMultiset().setCount(e0(), 2, 3));
    expectUnchanged();
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testSetCountConditional_oldCountTooSmallZero() {
    assertFalse(
        "setCount() with a too-small oldCount should return false",
        getMultiset().setCount(e0(), 0, 2));

  public void testRemoveIf_alwaysFalse() {
    assertFalse("removeIf(x -> false) should return false", collection.removeIf(x -> false));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveIf_sometimesTrue() {
    assertTrue(
        "removeIf(isEqual(present)) should return true",
        collection.removeIf(Predicate.isEqual(samples.e0())));

  public void testContainsAll_empty() {
    assertTrue(
        "containsAll(empty) should return true", collection.containsAll(MinimalCollection.of()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testContainsAll_subset() {
    assertTrue(
        "containsAll(subset) should return true",
        collection.containsAll(MinimalCollection.of(e0())));
  }