import { Done } from '../../../../../Class/Functional/Done';
import { Holder } from '../../../../../Class/Holder';
import { Unit } from '../../../../../Class/Unit';
import { System } from '../../../../../system';
export interface I {
    unit: Unit;
    name: string;
    done: any;
}
export interface O {
    ref: any;
}
export default class Lookup extends Holder<I, O> {
    private _unlisten;
    constructor(system: System);
    f({ unit, name }: I, done: Done<O>): void;
    d(): void;
}
