import/no-duplicates warn for duplicates imports from .d.ts file

[Kerumen]

I'm using date-fns and importing several helpers from the library:

import format from "date-fns/format";
import parseISO from "date-fns/parseISO";
import getUnixTime from "date-fns/getUnixTime";

With the rule import/no-duplicates enabled, I have this error:

'~/node_modules/date-fns/typings.d.ts' imported multiple times

I'm using the library properly and don't have duplicates so I guess it's a bug in the resolver no?

[JounQin]

See import-js/eslint-plugin-import#1479