@Override
    public boolean getMatchUserRecordsByDomain() throws GuacamoleException {
        return environment.getProperty(MATCH_USER_DOMAINS, false);
    }
Return whether user-level KSM configs should be enabled. If this
flag is set to true, users can edit their own KSM configs, as can
admins. If set to false, no existing user-specific KSM configuration
will be exposed through the UI or used when looking up secrets.

@return
    true if user-specific KSM configuration is enabled, false otherwise.

@throws GuacamoleException
    If the value specified within guacamole.properties cannot be
    parsed.
extensions/guacamole-vault/modules/guacamole-vault-ksm/src/main/java/org/apache/guacamole/vault/ksm/conf/KsmConfigurationService.java