<dependency>
  <groupId>org.alfasoftware</groupId>
  <artifactId>astra</artifactId>
  <version>2.1.1</version>
  <type>pom</type>
</dependency>

implementation 'org.alfasoftware:astra:2.1.1'

implementation("org.alfasoftware:astra:2.1.1")

libraryDependencies += "org.alfasoftware" % "astra" % "2.1.1"

@Grapes(
  @Grab(group='org.alfasoftware', module='astra', version='2.1.1')
)

<dependency org="org.alfasoftware" name="astra" rev="2.1.1" />

[org.alfasoftware/astra "2.1.1"]

'org.alfasoftware:astra:jar:2.1.1'