成员的完整列表，这些成员属于 roboctrl::device::referee_protocol::referee_warning,包括所有继承而来的类成员

count (定义于 roboctrl::device::referee_protocol::referee_warning)	roboctrl::device::referee_protocol::referee_warning
level (定义于 roboctrl::device::referee_protocol::referee_warning)	roboctrl::device::referee_protocol::referee_warning
robot_id (定义于 roboctrl::device::referee_protocol::referee_warning)	roboctrl::device::referee_protocol::referee_warning