<dependency>
  <groupId>org.apache.tomcat</groupId>
  <artifactId>tomcat-websocket-client-api</artifactId>
  <version>11.0.0-M19</version>
</dependency>

implementation 'org.apache.tomcat:tomcat-websocket-client-api:11.0.0-M19'

implementation("org.apache.tomcat:tomcat-websocket-client-api:11.0.0-M19")

libraryDependencies += "org.apache.tomcat" % "tomcat-websocket-client-api" % "11.0.0-M19"

@Grapes(
  @Grab(group='org.apache.tomcat', module='tomcat-websocket-client-api', version='11.0.0-M19')
)

<dependency org="org.apache.tomcat" name="tomcat-websocket-client-api" rev="11.0.0-M19" />

[org.apache.tomcat/tomcat-websocket-client-api "11.0.0-M19"]

'org.apache.tomcat:tomcat-websocket-client-api:jar:11.0.0-M19'