<dependency>
  <groupId>jetty</groupId>
  <artifactId>org.mortbay.ftp</artifactId>
  <version>4.2.23</version>
</dependency>

implementation 'jetty:org.mortbay.ftp:4.2.23'

implementation("jetty:org.mortbay.ftp:4.2.23")

libraryDependencies += "jetty" % "org.mortbay.ftp" % "4.2.23"

@Grapes(
  @Grab(group='jetty', module='org.mortbay.ftp', version='4.2.23')
)

<dependency org="jetty" name="org.mortbay.ftp" rev="4.2.23" />

[jetty/org.mortbay.ftp "4.2.23"]

'jetty:org.mortbay.ftp:jar:4.2.23'