import { Primitive } from './Primitive';
import { System } from './system';
export interface I<T> {
    a: T;
}
export interface O<T> {
    first: T;
    second: T;
}
export default class Serial<T> extends Primitive<I<T>, O<T>> {
    private _current;
    private _index;
    private _o_name;
    constructor(system: System);
    protected _forward_all_empty(from?: number): void;
    private _current_name;
    private _output_current;
    onDataInputData(name: string, data: any): void;
    onDataInputDrop(name: string): void;
    onDataOutputDrop(name: string): void;
}
