Autocomplete results incomplete when including from library.

[MrHus]

I have a project which is built using flow and exports the flowtypes via .js.flow files.
The .js.flow files are generated through the flow-copy-source library.

The library is called redux-mad-authentication and it can be found here.

It contains a method called configureAuthentication with the following definition:

export type Config = {
  handshakeUrl: string,
  authenticationUrl: string,
  currentUserUrl: string,
  loginRoute: string,
  dispatch: (Action) => void,
  authenticationStore: () => AuthenticationStore
};

let config: Config | null = null;

export function configureAuthentication(c: Config) {
  config = c;
}

As you can see the argument to configureAuthentication is of type Config. When using the library (through npm) it seems to forget this type.

For example:

Note how it says that the argument 'c' is of type any.

I've also noticed some strange behaviour when exporting a type twice, for example this is part of the index.js file from the library:

export { configureAuthentication } from './config.js';
export type { Config } from './config.js';

It simply re-exports a type definition from the 'config.js' file.

Now notice the autocomplete when using it from the 'index':

Versus using the same function from 'redux-mad-authentication/lib/config':

Note: I'm using vscode in the images with the Flow Langue Support extension but get the same results in Nuclide.

Is this a bug that I'm experiencing or is this a feature request?