==== tests/cases/compiler/nonExportedElementsOfMergedModules.ts (1 errors) ====
    module One {
        enum A { X }
        module B {
            export var x;
        }
    }
    
    module One {
        enum A { Y }
        module B {
            export var y;
        }
        B.x;
          ~
!!! Property 'x' does not exist on type 'typeof B'.
        B.y;
    }