default CaseSensitivity getCaseSensitivity() throws GuacamoleException {
        
        // By default identifiers are case-sensitive.
        return CaseSensitivity.ENABLED;
    }
Return the current case sensitivity setting, allowing the system to
determine if usernames and/or group names should be treated as case-
sensitive.

@return
    The current case sensitivity configuration.

@throws GuacamoleException 
    If an error occurs retrieving configuration information related to
    case sensitivity.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/permission/PermissionService.java