<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>es6-promise</artifactId>
  <version>4.2.8</version>
</dependency>

implementation 'org.webjars.npm:es6-promise:4.2.8'

implementation("org.webjars.npm:es6-promise:4.2.8")

libraryDependencies += "org.webjars.npm" % "es6-promise" % "4.2.8"

@Grapes(
  @Grab(group='org.webjars.npm', module='es6-promise', version='4.2.8')
)

<dependency org="org.webjars.npm" name="es6-promise" rev="4.2.8" />

[org.webjars.npm/es6-promise "4.2.8"]

'org.webjars.npm:es6-promise:jar:4.2.8'