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'com.google.appengine:appengine:1.8.9'
<dependency>
<groupId>com.google.appengine</groupId>
<artifactId>appengine</artifactId>
<version>1.8.9</version>
</dependency>
<dependency org="com.google.appengine" name="appengine" rev="1.8.9"/>
"com.google.appengine", "appengine", "1.8.9"