<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>lit-element</artifactId>
  <version>1.0.0</version>
</dependency>

implementation 'org.webjars.npm:lit-element:1.0.0'

implementation("org.webjars.npm:lit-element:1.0.0")

libraryDependencies += "org.webjars.npm" % "lit-element" % "1.0.0"

@Grapes(
  @Grab(group='org.webjars.npm', module='lit-element', version='1.0.0')
)

<dependency org="org.webjars.npm" name="lit-element" rev="1.0.0" />

[org.webjars.npm/lit-element "1.0.0"]

'org.webjars.npm:lit-element:jar:1.0.0'