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'org.atmosphere.samples:gwt20-json:2.2.2'
<dependency>
<groupId>org.atmosphere.samples</groupId>
<artifactId>gwt20-json</artifactId>
<version>2.2.2</version>
</dependency>
<dependency org="org.atmosphere.samples" name="gwt20-json" rev="2.2.2"/>
"org.atmosphere.samples", "gwt20-json", "2.2.2"