'org.altbeacon:android-beacon-library:2.1-beta-4'
<dependency>
<groupId>org.altbeacon</groupId>
<artifactId>android-beacon-library</artifactId>
<version>2.1-beta-4</version>
</dependency>
<dependency org="org.altbeacon" name="android-beacon-library" rev="2.1-beta-4"/>
"org.altbeacon", "android-beacon-library", "2.1-beta-4"