Severity Code Description Project File Line Suppression State
Error TS2300 Duplicate identifier 'File'. Nop.Admin C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\CommonExtensions\Microsoft\TypeScript\lib.es6.d.ts 9300 Active
please someone tell me what is this lib.es6.d.ts does.. and why it says duplicate identifier..