Tomcat-websocket

<dependency>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>tomcat-websocket</artifactId>
    <version>9.0.30</version>
</dependency>

compile group: 'org.apache.tomcat', name: 'tomcat-websocket', version: '9.0.30'

compile 'org.apache.tomcat:tomcat-websocket:9.0.30'

libraryDependencies += "org.apache.tomcat" % "tomcat-websocket" % "9.0.30"

<dependency org="org.apache.tomcat" name="tomcat-websocket" rev="9.0.30"/>

@Grapes(
            @Grab(group='org.apache.tomcat', module='tomcat-websocket', version='9.0.30')
        )

[org.apache.tomcat/tomcat-websocket "9.0.30"]

'org.apache.tomcat:tomcat-websocket:jar:9.0.30'