com/android/tools/rule-api/maven-metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>com.android.tools</groupId>
  <artifactId>rule-api</artifactId>
  <version>24.4.0-beta3</version>
  <versioning>
    <versions>
      <version>24.4.0-beta3</version>
      <version>24.4.0-beta6</version>
    </versions>
    <lastUpdated>20151019183150</lastUpdated>
  </versioning>
</metadata>