<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>acorn-import-assertions</artifactId>
  <version>1.9.0</version>
</dependency>

implementation 'org.webjars.npm:acorn-import-assertions:1.9.0'

implementation("org.webjars.npm:acorn-import-assertions:1.9.0")

libraryDependencies += "org.webjars.npm" % "acorn-import-assertions" % "1.9.0"

@Grapes(
  @Grab(group='org.webjars.npm', module='acorn-import-assertions', version='1.9.0')
)

<dependency org="org.webjars.npm" name="acorn-import-assertions" rev="1.9.0" />

[org.webjars.npm/acorn-import-assertions "1.9.0"]

'org.webjars.npm:acorn-import-assertions:jar:1.9.0'