tests/cases/compiler/module_augmentExistingAmbientVariable.ts(1,13): error TS2300: Duplicate identifier 'console'.
tests/cases/compiler/module_augmentExistingAmbientVariable.ts(3,8): error TS2300: Duplicate identifier 'console'.


==== tests/cases/compiler/module_augmentExistingAmbientVariable.ts (2 errors) ====
    declare var console: any;
                ~~~~~~~
!!! error TS2300: Duplicate identifier 'console'.
    
    module console {
           ~~~~~~~
!!! error TS2300: Duplicate identifier 'console'.
        export var x = 2;
    }