CodeReady Studio has been stopped several months ago.
it is still mentioned in https://access.redhat.com/documentation/en-us/red_hat_build_of_apache_camel/4.0/html/getting_started_with_red_hat_build_of_apache_camel_for_quarkus/getting-started-with-camel-quarkus-extensions_camel-quarkus-extensions#camel_content_assist