<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>serve-placeholder</artifactId>
  <version>2.0.1</version>
</dependency>

implementation 'org.webjars.npm:serve-placeholder:2.0.1'

implementation("org.webjars.npm:serve-placeholder:2.0.1")

libraryDependencies += "org.webjars.npm" % "serve-placeholder" % "2.0.1"

@Grapes(
  @Grab(group='org.webjars.npm', module='serve-placeholder', version='2.0.1')
)

<dependency org="org.webjars.npm" name="serve-placeholder" rev="2.0.1" />

[org.webjars.npm/serve-placeholder "2.0.1"]

'org.webjars.npm:serve-placeholder:jar:2.0.1'