An objects describing the administrative boundaries the route leg travels through.
Builder class for creating Admin instances.
Admin
Contains the 2 character ISO 3166-1 alpha-2 code that applies to a country boundary. Example: "US".
"US"
Contains the 3 character ISO 3166-1 alpha-3 code that applies to a country boundary. Example: "USA".
"USA"
Creates a builder initialized with the current values of the Admin instance.