protected List<MessageHandler> getOutboundTransportHandlers() throws ComponentInitializationException {
        return new ArrayList<>();
    }
<p>getOutboundTransportHandlers.</p>

@return a {@link List} object
@throws ComponentInitializationException if any.
pac4j-saml/src/main/java/org/pac4j/saml/sso/artifact/DefaultSOAPPipelineFactory.java