<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>bootstrap4-dialog</artifactId>
  <version>4.4.4</version>
</dependency>

implementation 'org.webjars.npm:bootstrap4-dialog:4.4.4'

implementation("org.webjars.npm:bootstrap4-dialog:4.4.4")

libraryDependencies += "org.webjars.npm" % "bootstrap4-dialog" % "4.4.4"

@Grapes(
  @Grab(group='org.webjars.npm', module='bootstrap4-dialog', version='4.4.4')
)

<dependency org="org.webjars.npm" name="bootstrap4-dialog" rev="4.4.4" />

[org.webjars.npm/bootstrap4-dialog "4.4.4"]

'org.webjars.npm:bootstrap4-dialog:jar:4.4.4'