Leveldown

<dependency>
    <groupId>org.webjars.npm</groupId>
    <artifactId>leveldown</artifactId>
    <version>1.4.5</version>
</dependency>

compile group: 'org.webjars.npm', name: 'leveldown', version: '1.4.5'

compile 'org.webjars.npm:leveldown:1.4.5'

libraryDependencies += "org.webjars.npm" % "leveldown" % "1.4.5"

<dependency org="org.webjars.npm" name="leveldown" rev="1.4.5"/>

@Grapes(
            @Grab(group='org.webjars.npm', module='leveldown', version='1.4.5')
        )

[org.webjars.npm/leveldown "1.4.5"]

'org.webjars.npm:leveldown:jar:1.4.5'