JezK
Edit File: GetOwnPropertyKeys.d.ts
declare function GetOwnPropertyKeys<O extends object>( O: O, Type: 'String', ): Array<number extends keyof O ? string : Extract<keyof O, string>>; declare function GetOwnPropertyKeys<O extends object>( O: O, Type: 'Symbol', ): Array<Extract<keyof O, symbol>>; declare function GetOwnPropertyKeys<O extends object>( O: O, Type: 'String' | 'Symbol', ): | Array<number extends keyof O ? string : Extract<keyof O, string>> | Array<Extract<keyof O, symbol>>; export = GetOwnPropertyKeys;