=== tests/cases/compiler/aliasUsageInVarAssignment_main.ts === import Backbone = require("aliasUsageInVarAssignment_backbone"); >Backbone : typeof Backbone import moduleA = require("aliasUsageInVarAssignment_moduleA"); >moduleA : typeof moduleA interface IHasVisualizationModel { >IHasVisualizationModel : IHasVisualizationModel VisualizationModel: typeof Backbone.Model; >VisualizationModel : typeof Backbone.Model >Backbone.Model : typeof Backbone.Model >Backbone : typeof Backbone >Model : typeof Backbone.Model } var i: IHasVisualizationModel; >i : IHasVisualizationModel >IHasVisualizationModel : IHasVisualizationModel var m: typeof moduleA = i; >m : typeof moduleA >moduleA : typeof moduleA >i : IHasVisualizationModel === tests/cases/compiler/aliasUsageInVarAssignment_backbone.ts === export class Model { >Model : Model public someData: string; >someData : string } === tests/cases/compiler/aliasUsageInVarAssignment_moduleA.ts === import Backbone = require("aliasUsageInVarAssignment_backbone"); >Backbone : typeof Backbone export class VisualizationModel extends Backbone.Model { >VisualizationModel : VisualizationModel >Backbone.Model : any >Backbone : typeof Backbone >Model : Backbone.Model // interesting stuff here }