/**
 * guy
 * 由一个元素切换到另一个元素的行为
 * @class BI.Action
 * @extends BI.OB
 * @abstract
 */
import { OB } from "../3.ob";

export class Action extends OB {
    props = {
        src: null,
        tar: null,
    };

    actionPerformed(src, tar, callback) {

    }

    actionBack(tar, src, callback) {

    }
}