tests/cases/conformance/es6/modules/m1.ts(2,22): error TS2651: Merged declaration 'Decl' cannot include a default export declaration. Consider adding a separate 'export default Decl' declaration instead. tests/cases/conformance/es6/modules/m1.ts(5,18): error TS2651: Merged declaration 'Decl' cannot include a default export declaration. Consider adding a separate 'export default Decl' declaration instead. tests/cases/conformance/es6/modules/m2.ts(3,1): error TS2348: Value of type 'typeof Decl' is not callable. Did you mean to include 'new'? tests/cases/conformance/es6/modules/m2.ts(6,8): error TS2503: Cannot find namespace 'Entity'. tests/cases/conformance/es6/modules/m2.ts(8,13): error TS2339: Property 'p1' does not exist on type 'Decl'. tests/cases/conformance/es6/modules/m2.ts(8,20): error TS2339: Property 'p2' does not exist on type 'Decl'. ==== tests/cases/conformance/es6/modules/m1.ts (2 errors) ==== export default class Decl { ~~~~ !!! error TS2651: Merged declaration 'Decl' cannot include a default export declaration. Consider adding a separate 'export default Decl' declaration instead. } export interface Decl { ~~~~ !!! error TS2651: Merged declaration 'Decl' cannot include a default export declaration. Consider adding a separate 'export default Decl' declaration instead. p1: number; p2: number; } export namespace Decl { interface I { } } ==== tests/cases/conformance/es6/modules/m2.ts (4 errors) ==== import Entity from "m1" Entity(); ~~~~~~~~ !!! error TS2348: Value of type 'typeof Decl' is not callable. Did you mean to include 'new'? var x: Entity; var y: Entity.I; ~~~~~~ !!! error TS2503: Cannot find namespace 'Entity'. var z = new Entity(); var sum = z.p1 + z.p2 ~~ !!! error TS2339: Property 'p1' does not exist on type 'Decl'. ~~ !!! error TS2339: Property 'p2' does not exist on type 'Decl'.