<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-websocket</artifactId>
<version>11.0.0-M19</version>
</dependency>
libraryDependencies += "org.apache.tomcat.embed" % "tomcat-embed-websocket" % "11.0.0-M19"
@Grapes(
@Grab(group='org.apache.tomcat.embed', module='tomcat-embed-websocket', version='11.0.0-M19')
)
<dependency org="org.apache.tomcat.embed" name="tomcat-embed-websocket" rev="11.0.0-M19" />