https://openjdk.java.net/ 
package org.omg.PortableServer;


/**
* org/omg/PortableServer/ServantActivator.java .
* Generated by the IDL-to-Java compiler (portable), version "3.2"
* from /var/lib/jenkins/jobs/openjdk/jobs/openjdk9/workspace/jdk9/corba/src/java.corba/share/classes/org/omg/PortableServer/poa.idl
* Sunday, February 14, 2021 4:59:58 PM UTC
*/



When the POA has the RETAIN policy it uses servant 
managers that are ServantActivators. 

/**
	 * When the POA has the RETAIN policy it uses servant 
	 * managers that are ServantActivators. 
	 */
public interface ServantActivator extends ServantActivatorOperations, org.omg.PortableServer.ServantManager, org.omg.CORBA.portable.IDLEntity 
{
} // interface ServantActivator