'com.google.api.grpc:grpc-core-proto:0.0.0'
<dependency>
<groupId>com.google.api.grpc</groupId>
<artifactId>grpc-core-proto</artifactId>
<version>0.0.0</version>
</dependency>
<dependency org="com.google.api.grpc" name="grpc-core-proto" rev="0.0.0"/>
"com.google.api.grpc", "grpc-core-proto", "0.0.0"