public EndpointBuilder<T> export(Class<?>... additional) {
		this.additionalInterfaces.addAll(Arrays.asList(additional));
		return this;
	}
public EndpointBuilder < T > export ( Class < ? > ... additional ) { this . additionalInterfaces . addAll ( Arrays . asList ( additional ) ) ; return this ; }
Adds classes to a list of additional interfaces implemented by an XML-RPC
server. Interface methods should be annotated by {@link XRMethod}.

@param additional
interfaces implemented by XML-RPC server
@return this for method chaining