<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>systemjs</artifactId>
  <version>0.20.15</version>
</dependency>

implementation 'org.webjars.npm:systemjs:0.20.15'

implementation("org.webjars.npm:systemjs:0.20.15")

libraryDependencies += "org.webjars.npm" % "systemjs" % "0.20.15"

@Grapes(
  @Grab(group='org.webjars.npm', module='systemjs', version='0.20.15')
)

<dependency org="org.webjars.npm" name="systemjs" rev="0.20.15" />

[org.webjars.npm/systemjs "0.20.15"]

'org.webjars.npm:systemjs:jar:0.20.15'