String simple = "a,b,c";
    List<String> letters = COMMA_SPLITTER.splitToList(simple);
    assertThat(letters).containsExactly("a", "b", "c").inOrder();
  }

  public void testCharacterSimpleSplitToStream() {
    String simple = "a,b,c";
    List<String> letters = COMMA_SPLITTER.splitToStream(simple).collect(toImmutableList());
    assertThat(letters).containsExactly("a", "b", "c").inOrder();
  }

        // Set to false
        request.setResolveInDfs(false);
        assertFalse(request.isResolveInDfs());
    }

    @Test
    @DisplayName("Test security flags setter")
    void testSetSecurityFlags() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        request.setSecurityFlags((byte) 0x01);
        // Verify through writeBytesWireFormat

  public static class Chars extends SampleElements<Character> {
    public Chars() {
      // elements aren't sorted, to better test SortedSet iteration ordering
      super('b', 'a', 'c', 'd', 'e');
    }
  }

  public static class Enums extends SampleElements<AnEnum> {
    public Enums() {
      // elements aren't sorted, to better test SortedSet iteration ordering
      super(AnEnum.B, AnEnum.A, AnEnum.C, AnEnum.D, AnEnum.E);
    }
  }

        assertNotNull(view);
        assertNotNull(view.getQueryMap());
        assertTrue(view.getQueryMap().isEmpty());
        assertNull(view.getTitle());
    }

    // Test title getter and setter
    public void test_getTitle() {
        assertNull(facetQueryView.getTitle());

        String testTitle = "Test Title";
        facetQueryView.setTitle(testTitle);

		case r == '_':
			return false
		}
		return true
	}
	// Letters and digits are not separators
	if unicode.IsLetter(r) || unicode.IsDigit(r) {
		return false
	}
	// Otherwise, all we can do for now is treat spaces as separators.
	return unicode.IsSpace(r)
}

// Title treats s as UTF-8-encoded bytes and returns a copy with all Unicode letters that begin
// words mapped to their title case.
//

        SmbComNegotiateResponse smb1 = new SmbComNegotiateResponse(ctx);
        setField(transport, "negotiated", smb1);
        assertFalse(transport.isSMB2());
    }

    @Test
    @DisplayName("Digest setter/getter roundtrip")
    void digestRoundtrip() {
        SMBSigningDigest dg = mock(SMBSigningDigest.class);
        transport.setDigest(dg);
        assertSame(dg, transport.getDigest());
    }

    @Test

  public static class Chars extends SampleElements<Character> {
    public Chars() {
      // elements aren't sorted, to better test SortedSet iteration ordering
      super('b', 'a', 'c', 'd', 'e');
    }
  }

  public static class Enums extends SampleElements<AnEnum> {
    public Enums() {
      // elements aren't sorted, to better test SortedSet iteration ordering
      super(AnEnum.B, AnEnum.A, AnEnum.C, AnEnum.D, AnEnum.E);
    }
  }

    }

    // Test getExpiry with default value
    public void test_getExpiry_default() {
        assertEquals(30L * 24 * 60 * 60 * 1000L, purgeThumbnailJob.getExpiry());
    }

    // Test expiry setter with valid value
    public void test_expiry_validValue() {
        long newExpiry = 60L * 24 * 60 * 60 * 1000L; // 60 days
        PurgeThumbnailJob result = purgeThumbnailJob.expiry(newExpiry);

     */
    private CharUtil() {
    }

    /**
     * Checks if the given character is a valid URL character.
     *
     * Valid URL characters include:
     * - Lowercase letters (a-z)
     * - Uppercase letters (A-Z)
     * - Digits (0-9)
     * - Special characters: . - * _ : / + % = & ? # [ ] @ ~ ! $ ' ( ) , ;
     *
     * @param c the character to check

* Then check if the question (the vast majority are questions) is **clear**.

* In many cases the question asked is about an imaginary solution from the user, but there might be a **better** one. If you can understand the problem and use case better, you might be able to suggest a better **alternative solution**.

* If you can't understand the question, ask for more **details**.

### Reproduce the problem { #reproduce-the-problem }