let a = registerModule('a', parseModule("export var a = 1; export var b = 2;")); let b = registerModule('b', parseModule("export var b = 3; export var c = 4;")); let c = registerModule('c', parseModule("export * from 'a'; export * from 'b';")); let d = registerModule('d', parseModule("import { a } from 'c'; a;")); d.declarationInstantiation(); d.evaluation();