tests/cases/compiler/moduleImport.ts(2,17): error TS2305: Module 'X' has no exported member 'Y'. tests/cases/compiler/moduleImport.ts(2,17): error TS2339: Property 'Y' does not exist on type 'typeof X'. ==== tests/cases/compiler/moduleImport.ts (2 errors) ==== module A.B.C { import XYZ = X.Y.Z; ~ !!! error TS2305: Module 'X' has no exported member 'Y'. ~ !!! error TS2339: Property 'Y' does not exist on type 'typeof X'. export function ping(x: number) { if (x>0) XYZ.pong (x-1); } } module X { import ABC = A.B.C; export function pong(x: number) { if (x > 0) ABC.ping(x-1); } }