https://download.eclipse.org/rt/ecf/latest/javadoc/org/eclipse/ecf/provider/comm/tcp/PingMessage.html
PingMessage (Eclipse Communication Framework (ECF) 3.16.8 API)
declaration: package: org.eclipse.ecf.provider.comm.tcp, class: PingMessage
eclipsecommunicationframeworkecfapi
https://docs.spring.io/spring-framework/docs/5.3.19/javadoc-api/org/springframework/web/socket/PingMessage.html
PingMessage (Spring Framework 5.3.19 API)
spring frameworkapi