==== tests/cases/compiler/multipleExportAssignmentsInAmbientDeclaration.ts (2 errors) ====
    declare module "m1" {
        var a: number
        var b: number;
        export = a;
        ~~~~~~~~~~~
!!! A module cannot have more than one export assignment.
        export = b;
        ~~~~~~~~~~~
!!! A module cannot have more than one export assignment.
    }