/// module Rx { export interface ObservableStatic { /** * Concatenates the observable sequences obtained by running the specified result selector for each element in source. * There is an alias for this method called 'forIn' for browsers (sources: T[], resultSelector: _Selector, thisArg?: any): Observable; /** * Concatenates the observable sequences obtained by running the specified result selector for each element in source. * There is an alias for this method called 'forIn' for browsers (sources: T[], resultSelector: _Selector, thisArg?: any): Observable; } } (function() { Rx.Observable.for(['a'], x => x); Rx.Observable.forIn(['a'], x => x); });