namespace DesignPatterns.State {
	public interface IPosTerminal {
		void SwipeCard( string cardNumber );

		void EnterAmount( double amount );

		void EnterPin( string pin );

		void AuthorizeTransaction( );

		void PrintReceipt( );

		void ProcessTransaction( );

		IState CurrentState { get; set; }

		IPosTransaction Transaction { get; set; }
	}
}