RexPro is a binary protocol for Rexster graph server.
'com.tinkerpop.rexster:rexster-protocol:2.2.0'
<dependency>
<groupId>com.tinkerpop.rexster</groupId>
<artifactId>rexster-protocol</artifactId>
<version>2.2.0</version>
</dependency>
<dependency org="com.tinkerpop.rexster" name="rexster-protocol" rev="2.2.0"/>
"com.tinkerpop.rexster", "rexster-protocol", "2.2.0"