test.ts
import Test2 from “./Test2”;
const {ccclass, property} = cc._decorator;
@ccclass
export default class Test extends cc.Component {
@property(Test2) test2: Test2 = null;
}
test2.ts
import Test from “./Test”;
const {ccclass, property} = cc._decorator;
@ccclass
export default class Test2 extends cc.Component {
@property(Test) test: Test = null;
}