This the st231 part of the Minus component library.
'org.objectweb.think.minus:st231:1.0'
<dependency>
<groupId>org.objectweb.think.minus</groupId>
<artifactId>st231</artifactId>
<version>1.0</version>
</dependency>
<dependency org="org.objectweb.think.minus" name="st231" rev="1.0"/>
"org.objectweb.think.minus", "st231", "1.0"