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


/**
* org/omg/PortableInterceptor/Interceptor.java .
* Generated by the IDL-to-Java compiler (portable), version "3.2"
* from /var/lib/jenkins/jobs/openjdk/jobs/openjdk10/workspace/jdk-updates_jdk10u/src/java.corba/share/classes/org/omg/PortableInterceptor/Interceptors.idl
* Sunday, February 14, 2021 at 5:20:32 PM Coordinated Universal Time
*/



All Portable Interceptors implement Interceptor.

/**
   * All Portable Interceptors implement Interceptor.
   */
public interface Interceptor extends InterceptorOperations, org.omg.CORBA.Object, org.omg.CORBA.portable.IDLEntity 
{
} // interface Interceptor