if (logger.isDebugEnabled()) {
            logger.debug("{}:{}", parameterKey, parameter);
        }
        if (StringUtil.isNotEmpty(parameter)) {
            parseRoleSet(parameter, encryptedParameterValue, roleSet);
        }

    }

    /**
     * Processes the request header.
     * @param request The HTTP request.
     * @param roleSet The set of roles.
     */

    }

    private Set<String> decodedRoleList(final RoleQueryHelper roleQueryHelperImpl, final String value, final boolean encrypted) {
        Set<String> roleSet = new HashSet<>();
        roleQueryHelperImpl.parseRoleSet(value, encrypted, roleSet);
        return roleSet;
    }

    @Test
    public void test_buildByParameter() {
        final RoleQueryHelper roleQueryHelperImpl = new RoleQueryHelper() {