Psych

<dependency>
    <groupId>rubygems</groupId>
    <artifactId>psych</artifactId>
    <version>3.3.4</version>
</dependency>

compile group: 'rubygems', name: 'psych', version: '3.3.4'

compile 'rubygems:psych:3.3.4'

libraryDependencies += "rubygems" % "psych" % "3.3.4"

<dependency org="rubygems" name="psych" rev="3.3.4"/>

@Grapes(
            @Grab(group='rubygems', module='psych', version='3.3.4')
        )

[rubygems/psych "3.3.4"]

'rubygems:psych:jar:3.3.4'