TermQueryBuilder builder = regTermQ("username", username);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setUsername_NotEqual(String username) {
        setUsername_NotTerm(username, null);
    }

    public void setUsername_NotTerm(String username) {
        setUsername_NotTerm(username, null);

        TermQueryBuilder builder = regTermQ("username", username);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setUsername_NotEqual(String username) {
        setUsername_NotTerm(username, null);
    }

    public void setUsername_NotTerm(String username) {
        setUsername_NotTerm(username, null);

  /**
   * The decoded username, or an empty string if none is present.
   *
   * | URL                              | `username()` |
   * | :------------------------------- | :----------- |
   * | `http://host/`                   | `""`         |
   * | `http://username@host/`          | `"username"` |
   * | `http://username:password@host/` | `"username"` |
   * | `http://a%20b:c%20d@host/`       | `"a b"`      |

        });
    }

    public boolean changePassword(final String username, final String password) {
        if (!fessConfig.isLdapAdminEnabled(username)) {
            return false;
        }

        final Supplier<Hashtable<String, String>> adminEnv = this::createAdminEnv;
        final String userDN = fessConfig.getLdapAdminUserSecurityPrincipal(username);

								</source>
							</sources>
						</mapping>
						<mapping>
							<directory>${packaging.fess.var.dir}</directory>
							<filemode>755</filemode>
							<username>${packaging.fess.user}</username>
							<groupname>${packaging.fess.group}</groupname>
						</mapping>
						<!-- bin -->
						<mapping>
							<directory>${packaging.fess.bin.dir}</directory>
							<filemode>755</filemode>

    public void setUsername_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda) {
        setUsername_Terms("username", opLambda, null);
    }

    public void setUsername_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda, OperatorCall<BsWebAuthenticationCA> aggsLambda) {
        setUsername_Terms("username", opLambda, aggsLambda);
    }

    public void setUsername_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda) {
        setUsername_Terms("username", opLambda, null);
    }

    public void setUsername_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda, OperatorCall<BsFileAuthenticationCA> aggsLambda) {
        setUsername_Terms("username", opLambda, aggsLambda);
    }

ARGS:
broker*              (uri)       MQTT server endpoint e.g. `tcp://localhost:1883`
topic*               (string)    name of the MQTT topic to publish
username             (string)    MQTT username
password             (string)    MQTT password
qos                  (number)    set the quality of service priority, defaults to '0'

    default String getLdapSecurityPrincipal(final String username) {
        final String value;
        final int maxLength = getLdapMaxUsernameLengthAsInteger();
        if (username == null) {
            value = StringUtil.EMPTY;
        } else if (maxLength >= 0 && username.length() > maxLength) {
            value = username.substring(0, maxLength);
        } else {
            value = username;
        }

    assertThat(parse("http://username:@host/path"))
      .isEqualTo(parse("http://username@host/path"))
  }

  @Test
  fun passwordWithEmptyUsername() {
    // Chrome doesn't mind, but Firefox rejects URLs with empty usernames and non-empty passwords.
    assertThat(parse("http://:@host/path"))
      .isEqualTo(parse("http://host/path"))
    assertThat(parse("http://:password@@host/path").encodedPassword)