<dependency>
  <groupId>com.github.os72</groupId>
  <artifactId>protoc</artifactId>
  <version>3.4.0-build3</version>
  <type>pom</type>
</dependency>

implementation 'com.github.os72:protoc:3.4.0-build3'

implementation("com.github.os72:protoc:3.4.0-build3")

libraryDependencies += "com.github.os72" % "protoc" % "3.4.0-build3"

@Grapes(
  @Grab(group='com.github.os72', module='protoc', version='3.4.0-build3')
)

<dependency org="com.github.os72" name="protoc" rev="3.4.0-build3" />

[com.github.os72/protoc "3.4.0-build3"]

'com.github.os72:protoc:jar:3.4.0-build3'