<dependency>
  <groupId>org.drools</groupId>
  <artifactId>drools</artifactId>
  <version>5.1.0.CR1</version>
  <type>pom</type>
</dependency>

implementation 'org.drools:drools:5.1.0.CR1'

implementation("org.drools:drools:5.1.0.CR1")

libraryDependencies += "org.drools" % "drools" % "5.1.0.CR1"

@Grapes(
  @Grab(group='org.drools', module='drools', version='5.1.0.CR1')
)

<dependency org="org.drools" name="drools" rev="5.1.0.CR1" />

[org.drools/drools "5.1.0.CR1"]

'org.drools:drools:jar:5.1.0.CR1'