Promise.props and Typescript

promiseProps.ts

import Bluebird = require("bluebird");

    interface OneVal {
      oneKey1: string,
      oneKey2: number,
    }
    interface TwoVal {
      twoKey1: string,
      twoKey2: number,
    }

    const one = (oneProp: string): Promise<OneVal> => {
      return Promise.resolve({oneKey1: oneProp, oneKey2: 2});
    };
    const two = (twoProp: string): Promise<TwoVal> => {
      return Promise.resolve({twoKey1: twoProp, twoKey2: 2});
    };

    const foo = await Bluebird.props({
      one: one("oneVal"),
      two: two("twoVal"),
    });
    console.plog("working", foo.one.oneKey1, foo.two.twoKey1);
    console.plog("bad", foo.one.oneKey1x, foo.two.twoKey1x);