if (list != null) {
                return list;
            }

            // request parameter
            if (StringUtil.isNotBlank(parameterKey)) {
                processParameter(request, roleSet);
            }

            // request header
            if (StringUtil.isNotBlank(headerKey)) {
                processHeader(request, roleSet);
            }

    }

    private Set<String> buildByParameter(final RoleQueryHelper roleQueryHelperImpl, final HttpServletRequest request) {
        Set<String> roleSet = new HashSet<>();
        roleQueryHelperImpl.processParameter(request, roleSet);
        return roleSet;
    }

    private Set<String> buildByHeader(final RoleQueryHelper roleQueryHelperImpl, final HttpServletRequest request) {
        Set<String> roleSet = new HashSet<>();

	reserved1              [2]byte
	BeingDebugged          byte
	BitField               byte
	reserved3              uintptr
	ImageBaseAddress       uintptr
	Ldr                    *PEB_LDR_DATA
	ProcessParameters      *RTL_USER_PROCESS_PARAMETERS
	reserved4              [3]uintptr
	AtlThunkSListPtr       uintptr
	reserved5              uintptr
	reserved6              uint32
	reserved7              uintptr