tests/cases/compiler/importDeclWithDeclareModifierInAmbientContext.ts(6,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.
==== tests/cases/compiler/importDeclWithDeclareModifierInAmbientContext.ts (1 errors) ====
declare module "m" {
module x {
interface c {
}
declare export import a = x.c;
~~~~~~~
!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
var b: a;