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	component											Merchant
		description															Represents a merchant.
		start-flow										Merchant-flows
		type										external
		section										Merchant Actions					The actions for the Merchant.
			action									receives-cash					The merchant receives the amount to pay in cash
			action									inform-amount					The merchant tells the customer what to pay
			action									enters-amount					The merchant enters the amount in the terminal r this is automatic via the cash register
			action									retry-payment					The customer has to pay differently
			action									goods-left-behind					The customer cannot pay and leaves the goods behind
			action									goods-given					The good are given to the customer
			action									inform-amount					The merchant tells the customer what to pay
			message									choose-method					The customer needs to choose a payment method.
			message									chooses-cash					The customer chooses to pay with cash.
			action									receives-cash					The merchant receives the amount to pay in cash
			message									change+bill					The customer receives change and the bill
			message									chooses-terminal					The customer chooses the electronic payment terminal.
			action									enters-amount					The merchant enters the amount in the terminal r this is automatic via the cash register
			message									start-payment					A request to start payment
			message									payment-failed					The overall payment failed
			action									retry-payment					The customer has to pay differently
			message									payment-failed					The overall payment failed
			action									goods-left-behind					The customer cannot pay and leaves the goods behind
			action									customer-leaves					Custommer leaves, e.g. ready or failed.
			message									payment-successful					The overall payment was successful
			action									goods-given					The good are given to the customer