* comment: The common return path of all mail
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getMailReturnPath();

    /**
     * The simple implementation for configuration.
     * @author FreeGen
     */
    public static class SimpleImpl extends ObjectiveConfig implements FessEnv {

        /** The serial version UID for object serialization. (Default) */

        }
    }

    @Test
    public void searchTestWithBoost() throws Exception {
        String field = "content";
        String query1 = "java";
        String query2 = "sample";
        Map<String, String> params = new HashMap<>();
        params.put("q", field + ":" + query1 + "^1000 OR " + field + ":" + query2);
        params.put("num", "100");

    String LDAP_ADMIN_ENABLED = "ldap.admin.enabled";

    /** The key of the configuration. e.g. uid=%s */
    String LDAP_ADMIN_USER_FILTER = "ldap.admin.user.filter";

    /** The key of the configuration. e.g. ou=People,dc=fess,dc=codelibs,dc=org */
    String LDAP_ADMIN_USER_BASE_DN = "ldap.admin.user.base.dn";

    /** The key of the configuration. e.g. organizationalPerson,top,person,inetOrgPerson */

    public Object[] getArgs() {
        return args;
    }

    @Override
    public String getMessage() {
        return message;
    }

    /**
     * Returns a simple message without a message code.
     *
     * @return simple message without message code
     */
    public final String getSimpleMessage() {
        return simpleMessage;
    }

 - [Salesforce](https://github.com/codelibs/fess-ds-salesforce)
 - [SharePoint](https://github.com/codelibs/fess-ds-sharepoint)
 - [Slack](https://github.com/codelibs/fess-ds-slack)

## Theme

 - [Simple](https://github.com/codelibs/fess-theme-simple)
 - [Classic](https://github.com/codelibs/fess-theme-classic)

## Ingest

 - [Logger](https://github.com/codelibs/fess-ingest-logger)
 - [NDJSON](https://github.com/codelibs/fess-ingest-ndjson)

#                                                      LDAP
#                                                     ------

ldap.admin.enabled=false
ldap.admin.user.filter=uid\=%s
ldap.admin.user.base.dn=ou\=People,dc\=fess,dc\=codelibs,dc\=org
ldap.admin.user.object.classes=organizationalPerson,top,person,inetOrgPerson
ldap.admin.role.filter=cn\=%s
ldap.admin.role.base.dn=ou\=Role,dc\=fess,dc\=codelibs,dc\=org

        setSystemProperty(Constants.LDAP_SECURITY_AUTHENTICATION, value);
    }

    default String getLdapSecurityAuthentication() {
        return getSystemProperty(Constants.LDAP_SECURITY_AUTHENTICATION, "simple");
    }

    default void setLdapProviderUrl(final String value) {
        setSystemProperty(Constants.LDAP_PROVIDER_URL, value);
    }

    default String getLdapProviderUrl() {

        new PrefixQueryCommand().register();
        new TermQueryCommand().register();
        new TermRangeQueryCommand().register();
        new WildcardQueryCommand().register();
    }

    public void test_build_simple() {
        float titleBoost = 0.5f;
        float contentBoost = 0.05f;

        assertQuery(functionScoreQuery(simpleQuery("QUERY", titleBoost, contentBoost)), //
                Map.of("_default", List.of("QUERY")), //