package com.siyeh.igtest.security.serializable_class_in_secure_context; import java.io.ObjectOutputStream; import java.io.Serializable; public class SerializableClass implements Serializable { public void writeObject(ObjectOutputStream out) { } } class NonSerializableClass implements Serializable { public void writeObject(ObjectOutputStream out) { throw new Error(); } } interface Event extends Serializable { } class EventListener<E extends Event> { } class MyException extends Exception {}