} else {
            char[] passwordChars = this.auth.getPasswordAsCharArray();
            if (passwordChars != null) {
                passwordString = new String(passwordChars);
                // Securely wipe the char array immediately after use
                java.util.Arrays.fill(passwordChars, '\0');
            }
        }

    }

    @Test
    public void testPasswordConstructorWithCharArray() {
        char[] passwordChars = "charArrayPassword".toCharArray();
        authenticator = new NtlmPasswordAuthenticator("DOMAIN", "username", passwordChars);

        String retrievedPassword = authenticator.getPassword();
        assertEquals("charArrayPassword", retrievedPassword, "Password should match");

                }
            } else if (cb instanceof PasswordCallback pc) {
                char[] passwordChars = this.getPasswordAsCharArray();
                if (passwordChars != null) {
                    pc.setPassword(passwordChars);
                }
            }
        }
    }