{"action":"created","issue":{"url":"https://api.github.com/repos/Microsoft/TypeScript/issues/4426","labels_url":"https://api.github.com/repos/Microsoft/TypeScript/issues/4426/labels{/name}","comments_url":"https://api.github.com/repos/Microsoft/TypeScript/issues/4426/comments","events_url":"https://api.github.com/repos/Microsoft/TypeScript/issues/4426/events","html_url":"https://github.com/Microsoft/TypeScript/issues/4426","id":102869667,"number":4426,"title":"Duplicate members with lib.d.ts","user":{"login":"dashaus","id":1870208,"avatar_url":"https://avatars.githubusercontent.com/u/1870208?v=3","gravatar_id":"","url":"https://api.github.com/users/dashaus","html_url":"https://github.com/dashaus","followers_url":"https://api.github.com/users/dashaus/followers","following_url":"https://api.github.com/users/dashaus/following{/other_user}","gists_url":"https://api.github.com/users/dashaus/gists{/gist_id}","starred_url":"https://api.github.com/users/dashaus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dashaus/subscriptions","organizations_url":"https://api.github.com/users/dashaus/orgs","repos_url":"https://api.github.com/users/dashaus/repos","events_url":"https://api.github.com/users/dashaus/events{/privacy}","received_events_url":"https://api.github.com/users/dashaus/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Microsoft/TypeScript/labels/Bug","name":"Bug","color":"e11d21"},{"url":"https://api.github.com/repos/Microsoft/TypeScript/labels/External","name":"External","color":"eb6420"}],"state":"open","locked":false,"assignee":{"login":"DanielRosenwasser","id":972891,"avatar_url":"https://avatars.githubusercontent.com/u/972891?v=3","gravatar_id":"","url":"https://api.github.com/users/DanielRosenwasser","html_url":"https://github.com/DanielRosenwasser","followers_url":"https://api.github.com/users/DanielRosenwasser/followers","following_url":"https://api.github.com/users/DanielRosenwasser/following{/other_user}","gists_url":"https://api.github.com/users/DanielRosenwasser/gists{/gist_id}","starred_url":"https://api.github.com/users/DanielRosenwasser/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DanielRosenwasser/subscriptions","organizations_url":"https://api.github.com/users/DanielRosenwasser/orgs","repos_url":"https://api.github.com/users/DanielRosenwasser/repos","events_url":"https://api.github.com/users/DanielRosenwasser/events{/privacy}","received_events_url":"https://api.github.com/users/DanielRosenwasser/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/Microsoft/TypeScript/milestones/13","html_url":"https://github.com/Microsoft/TypeScript/milestones/TypeScript%201.6.2","labels_url":"https://api.github.com/repos/Microsoft/TypeScript/milestones/13/labels","id":1278222,"number":13,"title":"TypeScript 1.6.2","description":"","creator":{"login":"mhegazy","id":8000722,"avatar_url":"https://avatars.githubusercontent.com/u/8000722?v=3","gravatar_id":"","url":"https://api.github.com/users/mhegazy","html_url":"https://github.com/mhegazy","followers_url":"https://api.github.com/users/mhegazy/followers","following_url":"https://api.github.com/users/mhegazy/following{/other_user}","gists_url":"https://api.github.com/users/mhegazy/gists{/gist_id}","starred_url":"https://api.github.com/users/mhegazy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mhegazy/subscriptions","organizations_url":"https://api.github.com/users/mhegazy/orgs","repos_url":"https://api.github.com/users/mhegazy/repos","events_url":"https://api.github.com/users/mhegazy/events{/privacy}","received_events_url":"https://api.github.com/users/mhegazy/received_events","type":"User","site_admin":false},"open_issues":10,"closed_issues":0,"state":"open","created_at":"2015-08-28T19:50:20Z","updated_at":"2015-08-28T19:50:56Z","due_on":null,"closed_at":null},"comments":4,"created_at":"2015-08-24T19:11:20Z","updated_at":"2015-08-28T21:57:33Z","closed_at":null,"body":"I'm using `core-js` with its correspond [d.ts](https://github.com/borisyankov/DefinitelyTyped/blob/master/core-js/core-js.d.ts) from `DefinitelyTyped`, but fails when I want compile my project. This only happen with `typescript@next`, with the last stable version compiles fine. \r\n\r\n```\r\n/usr/local/lib/node_modules/typescript/lib/lib.d.ts(1202,5): error TS2300: Duplicate identifier 'length'.\r\nts/lib/core-js.d.ts(73,5): error TS2300: Duplicate identifier 'length'.\r\nts/lib/core-js.d.ts(74,5): error TS2375: Duplicate number index signature.\r\n```"},"comment":{"url":"https://api.github.com/repos/Microsoft/TypeScript/issues/comments/135897675","html_url":"https://github.com/Microsoft/TypeScript/issues/4426#issuecomment-135897675","issue_url":"https://api.github.com/repos/Microsoft/TypeScript/issues/4426","id":135897675,"user":{"login":"DanielRosenwasser","id":972891,"avatar_url":"https://avatars.githubusercontent.com/u/972891?v=3","gravatar_id":"","url":"https://api.github.com/users/DanielRosenwasser","html_url":"https://github.com/DanielRosenwasser","followers_url":"https://api.github.com/users/DanielRosenwasser/followers","following_url":"https://api.github.com/users/DanielRosenwasser/following{/other_user}","gists_url":"https://api.github.com/users/DanielRosenwasser/gists{/gist_id}","starred_url":"https://api.github.com/users/DanielRosenwasser/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DanielRosenwasser/subscriptions","organizations_url":"https://api.github.com/users/DanielRosenwasser/orgs","repos_url":"https://api.github.com/users/DanielRosenwasser/repos","events_url":"https://api.github.com/users/DanielRosenwasser/events{/privacy}","received_events_url":"https://api.github.com/users/DanielRosenwasser/received_events","type":"User","site_admin":false},"created_at":"2015-08-28T21:57:33Z","updated_at":"2015-08-28T21:57:33Z","body":"Looks like @vvakame is partially working on this - see https://github.com/borisyankov/DefinitelyTyped/pull/5590."}}