<dependency>
  <groupId>rubygems</groupId>
  <artifactId>psych</artifactId>
  <version>2.0.9.1</version>
</dependency>

implementation 'rubygems:psych:2.0.9.1'

implementation("rubygems:psych:2.0.9.1")

libraryDependencies += "rubygems" % "psych" % "2.0.9.1"

@Grapes(
  @Grab(group='rubygems', module='psych', version='2.0.9.1')
)

<dependency org="rubygems" name="psych" rev="2.0.9.1" />

[rubygems/psych "2.0.9.1"]

'rubygems:psych:jar:2.0.9.1'