<dependency>
  <groupId>com.google.protobuf</groupId>
  <artifactId>protobuf-bom</artifactId>
  <version>4.28.0</version>
  <type>pom</type>
</dependency>

implementation 'com.google.protobuf:protobuf-bom:4.28.0'

implementation("com.google.protobuf:protobuf-bom:4.28.0")

libraryDependencies += "com.google.protobuf" % "protobuf-bom" % "4.28.0"

@Grapes(
  @Grab(group='com.google.protobuf', module='protobuf-bom', version='4.28.0')
)

<dependency org="com.google.protobuf" name="protobuf-bom" rev="4.28.0" />

[com.google.protobuf/protobuf-bom "4.28.0"]

'com.google.protobuf:protobuf-bom:jar:4.28.0'