4.0.0 cn.suredoc.sdk suredoc-device-protocol-sdk-parent 2.4.2 suredoc-device-protocol-cmd 2.4.2 suredoc-device-protocol-cmd MIT License https://gitee.com/sure-doc/suredoc-device-protocol/blob/master/LICENSE cn.suredoc.sdk suredoc-device-protocol-base com.google.protobuf protobuf-java