alink_shaded com.alibaba.alink 0.6 4.0.0 com.alibaba.alink shaded_protobuf_java alink-shaded-protobuf-java ${protobuf.java.version}-0.6 maven-compiler-plugin 1.8 1.8 maven-shade-plugin package shade com.google. org.apache.flink.calcite.shaded.com.google. 3.6.1