interface Base1

	get a as int
		"""
		aaa
		"""
	
	set b as int
		"""
		bbb
		"""
	
	pro c as int
		"""
		ccc
		"""


interface Base2

	get d as int


interface ICombo
	inherits Base1, Base2
	pass


class Combo
	implements ICombo

	get a as int
		return 2
	
	set b as int
		pass

	pro c as int
		get
			return 3
		set
			pass

	get d as int
		return 4

	def main
		is shared
		pass