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tests/cases/compiler/undefinedTypeAssignment4.ts(1,7): error TS2397: Declaration name conflicts with built-in global identifier 'undefined'.
tests/cases/compiler/undefinedTypeAssignment4.ts(4,11): error TS2397: Declaration name conflicts with built-in global identifier 'undefined'.
tests/cases/compiler/undefinedTypeAssignment4.ts(7,11): error TS2397: Declaration name conflicts with built-in global identifier 'undefined'.
==== tests/cases/compiler/undefinedTypeAssignment4.ts (3 errors) ====
class undefined {
~~~~~~~~~
!!! error TS2397: Declaration name conflicts with built-in global identifier 'undefined'.
foo: string;
}
interface undefined {
~~~~~~~~~
!!! error TS2397: Declaration name conflicts with built-in global identifier 'undefined'.
member: number;
}
namespace undefined {
~~~~~~~~~
!!! error TS2397: Declaration name conflicts with built-in global identifier 'undefined'.
export var x = 42;
}
var x: undefined;
var y: typeof undefined;
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