A simple dropdown menu for Apache Wicket 1.4.21

<!-- https://jarcasting.com/artifacts/org.wicketstuff/dropdown-menu/ -->
<dependency>
    <groupId>org.wicketstuff</groupId>
    <artifactId>dropdown-menu</artifactId>
    <version>1.4.21</version>
</dependency>

// https://jarcasting.com/artifacts/org.wicketstuff/dropdown-menu/
implementation 'org.wicketstuff:dropdown-menu:1.4.21'

// https://jarcasting.com/artifacts/org.wicketstuff/dropdown-menu/
implementation ("org.wicketstuff:dropdown-menu:1.4.21")

'org.wicketstuff:dropdown-menu:jar:1.4.21'

<dependency org="org.wicketstuff" name="dropdown-menu" rev="1.4.21">
  <artifact name="dropdown-menu" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.wicketstuff', module='dropdown-menu', version='1.4.21')
)

libraryDependencies += "org.wicketstuff" % "dropdown-menu" % "1.4.21"

[org.wicketstuff/dropdown-menu "1.4.21"]