function getCountryFromPossiblyIncompleteInternationalPhoneNumber(number, metadata) {
	const formatter = new AsYouType(null, metadata)
	formatter.input(number)
	// // `001` is a special "non-geograpical entity" code
	// // in Google's `libphonenumber` library.
	// if (formatter.getCountry() === '001') {
	// 	return
	// }
	return formatter.getCountry()
}
Determines the country for a given (possibly incomplete) E.164 phone number.
@param  {string} number - A possibly incomplete E.164 phone number.
@param  {object} metadata - `libphonenumber-js` metadata.
@return {string?}