google.maps.places.ComponentRestrictions interface
Defines the component restrictions that can be used with the autocomplete service.
places
Properties
Type: string|Array
Restricts predictions to the specified country (ISO 3166-1 Alpha-2 country code, case insensitive). For example, 'us', 'br', or 'au'. You can provide a single one, or an array of up to five country code strings.