<dependency>
  <groupId>net.sf.proguard</groupId>
  <artifactId>proguard-parent</artifactId>
  <version>6.0</version>
  <type>pom</type>
</dependency>

implementation 'net.sf.proguard:proguard-parent:6.0'

implementation("net.sf.proguard:proguard-parent:6.0")

libraryDependencies += "net.sf.proguard" % "proguard-parent" % "6.0"

@Grapes(
  @Grab(group='net.sf.proguard', module='proguard-parent', version='6.0')
)

<dependency org="net.sf.proguard" name="proguard-parent" rev="6.0" />

[net.sf.proguard/proguard-parent "6.0"]

'net.sf.proguard:proguard-parent:jar:6.0'