<dependency>
  <groupId>com.google.protobuf</groupId>
  <artifactId>protobuf-java</artifactId>
  <version>2.0.3</version>
</dependency>

implementation 'com.google.protobuf:protobuf-java:2.0.3'

implementation("com.google.protobuf:protobuf-java:2.0.3")

libraryDependencies += "com.google.protobuf" % "protobuf-java" % "2.0.3"

@Grapes(
  @Grab(group='com.google.protobuf', module='protobuf-java', version='2.0.3')
)

<dependency org="com.google.protobuf" name="protobuf-java" rev="2.0.3" />

[com.google.protobuf/protobuf-java "2.0.3"]

'com.google.protobuf:protobuf-java:jar:2.0.3'