'rubygems:psych:2.0.9.1'
<dependency> <groupId>rubygems</groupId> <artifactId>psych</artifactId> <version>2.0.9.1</version> </dependency>
<dependency org="rubygems" name="psych" rev="2.0.9.1"/>
"rubygems", "psych", "2.0.9.1"