import { A } from './A'; import { B } from './B'; import { C } from './C'; import { D } from './D'; export var a1 = new A(); export var b1 = new B(); export var c1 = new C(); export var d1 = new D(); export var a2 = b1.a(); export var b2 = a1.b(); export var c2 = d1.c(); export var d2 = c1.d();