=== tests/cases/compiler/underscoreMapFirst.ts ===
declare module _ {
>_ : typeof _

    interface Collection<T> { }
>Collection : Collection<T>
>T : T

    interface List<T> extends Collection<T> {
>List : List<T>
>T : T
>Collection : Collection<T>
>T : T

        [index: number]: T;
>index : number
>T : T

        length: number;
>length : number
    }

    interface ListIterator<T, TResult> {
>ListIterator : ListIterator<T, TResult>
>T : T
>TResult : TResult

        (value: T, index: number, list: T[]): TResult;
>value : T
>T : T
>index : number
>list : T[]
>T : T
>TResult : TResult
    }

    interface Dictionary<T> extends Collection<T> {
>Dictionary : Dictionary<T>
>T : T
>Collection : Collection<T>
>T : T

        [index: string]: T;
>index : string
>T : T
    }
    export function pluck<T extends {}>(
>pluck : <T extends {}>(list: Collection<T>, propertyName: string) => any[]
>T : T

        list: Collection<T>,
>list : Collection<T>
>Collection : Collection<T>
>T : T

        propertyName: string): any[];
>propertyName : string

    export function map<T, TResult>(
>map : <T, TResult>(list: List<T>, iterator: ListIterator<T, TResult>, context?: any) => TResult[]
>T : T
>TResult : TResult

        list: List<T>,
>list : List<T>
>List : List<T>
>T : T

        iterator: ListIterator<T, TResult>,
>iterator : ListIterator<T, TResult>
>ListIterator : ListIterator<T, TResult>
>T : T
>TResult : TResult

        context?: any): TResult[];
>context : any
>TResult : TResult

    export function first<T>(array: List<T>): T;
>first : <T>(array: List<T>) => T
>T : T
>array : List<T>
>List : List<T>
>T : T
>T : T
}

declare class View {
>View : View

    model: any;
>model : any
}

interface IData {
>IData : IData

    series: ISeries[];
>series : ISeries[]
>ISeries : ISeries
}

interface ISeries {
>ISeries : ISeries

    items: any[];
>items : any[]

    key: string;
>key : string
}

class MyView extends View {
>MyView : MyView
>View : View

    public getDataSeries(): ISeries[] {
>getDataSeries : () => ISeries[]
>ISeries : ISeries

        var data: IData[] = this.model.get("data");
>data : IData[]
>IData : IData
>this.model.get("data") : any
>this.model.get : any
>this.model : any
>this : MyView
>model : any
>get : any
>"data" : string

        var allSeries: ISeries[][] = _.pluck(data, "series");
>allSeries : ISeries[][]
>ISeries : ISeries
>_.pluck(data, "series") : any[]
>_.pluck : <T extends {}>(list: _.Collection<T>, propertyName: string) => any[]
>_ : typeof _
>pluck : <T extends {}>(list: _.Collection<T>, propertyName: string) => any[]
>data : IData[]
>"series" : string

        return _.map(allSeries, _.first);
>_.map(allSeries, _.first) : ISeries[]
>_.map : <T, TResult>(list: _.List<T>, iterator: _.ListIterator<T, TResult>, context?: any) => TResult[]
>_ : typeof _
>map : <T, TResult>(list: _.List<T>, iterator: _.ListIterator<T, TResult>, context?: any) => TResult[]
>allSeries : ISeries[][]
>_.first : <T>(array: _.List<T>) => T
>_ : typeof _
>first : <T>(array: _.List<T>) => T
    }
}