=== tests/cases/compiler/interfaceContextualType.ts ===
export interface IOptions {
>IOptions : IOptions, Symbol(IOptions, Decl(interfaceContextualType.ts, 0, 0))

    italic?: boolean;
>italic : boolean, Symbol(italic, Decl(interfaceContextualType.ts, 0, 27))

    bold?: boolean;
>bold : boolean, Symbol(bold, Decl(interfaceContextualType.ts, 1, 21))
}
export interface IMap {
>IMap : IMap, Symbol(IMap, Decl(interfaceContextualType.ts, 3, 1))

    [s: string]: IOptions;
>s : string, Symbol(s, Decl(interfaceContextualType.ts, 5, 5))
>IOptions : IOptions, Symbol(IOptions, Decl(interfaceContextualType.ts, 0, 0))
}

class Bug {
>Bug : Bug, Symbol(Bug, Decl(interfaceContextualType.ts, 6, 1))

    public values: IMap;
>values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>IMap : IMap, Symbol(IMap, Decl(interfaceContextualType.ts, 3, 1))

    ok() {
>ok : () => void, Symbol(ok, Decl(interfaceContextualType.ts, 9, 24))

        this.values = {};
>this.values = {} : { [x: string]: undefined; }
>this.values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>this : Bug, Symbol(Bug, Decl(interfaceContextualType.ts, 6, 1))
>values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>{} : { [x: string]: undefined; }

        this.values['comments'] = { italic: true };
>this.values['comments'] = { italic: true } : { italic: boolean; }
>this.values['comments'] : IOptions
>this.values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>this : Bug, Symbol(Bug, Decl(interfaceContextualType.ts, 6, 1))
>values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>'comments' : string
>{ italic: true } : { italic: boolean; }
>italic : boolean, Symbol(italic, Decl(interfaceContextualType.ts, 12, 35))
>true : boolean
    }
    shouldBeOK() {
>shouldBeOK : () => void, Symbol(shouldBeOK, Decl(interfaceContextualType.ts, 13, 5))

        this.values = {
>this.values = {            comments: { italic: true }        } : { [x: string]: { italic: boolean; }; comments: { italic: boolean; }; }
>this.values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>this : Bug, Symbol(Bug, Decl(interfaceContextualType.ts, 6, 1))
>values : IMap, Symbol(values, Decl(interfaceContextualType.ts, 8, 11))
>{            comments: { italic: true }        } : { [x: string]: { italic: boolean; }; comments: { italic: boolean; }; }

            comments: { italic: true }
>comments : { italic: boolean; }, Symbol(comments, Decl(interfaceContextualType.ts, 15, 23))
>{ italic: true } : { italic: boolean; }
>italic : boolean, Symbol(italic, Decl(interfaceContextualType.ts, 16, 23))
>true : boolean

        };
    }
}