<dependency>
  <groupId>org.thepalaceproject.r2</groupId>
  <artifactId>org.librarysimplified.r2.api</artifactId>
  <version>5.1.0</version>
  <type>aar</type>
</dependency>

implementation 'org.thepalaceproject.r2:org.librarysimplified.r2.api:5.1.0'

implementation("org.thepalaceproject.r2:org.librarysimplified.r2.api:5.1.0")

libraryDependencies += "org.thepalaceproject.r2" % "org.librarysimplified.r2.api" % "5.1.0"

@Grapes(
  @Grab(group='org.thepalaceproject.r2', module='org.librarysimplified.r2.api', version='5.1.0')
)

<dependency org="org.thepalaceproject.r2" name="org.librarysimplified.r2.api" rev="5.1.0" />

[org.thepalaceproject.r2/org.librarysimplified.r2.api "5.1.0"]

'org.thepalaceproject.r2:org.librarysimplified.r2.api:jar:5.1.0'