src/sysml/src/examples/Simple Tests/ItemTest.sysml
package ItemTest {
	
	item f: A;

	public item def A {
		item b: B;
		protected ref part c: C;
	}
	
	abstract item def B {
		public abstract part a: A;
	}
	
	private part def C {
		private in ref y: A, B;
	}
	
	port def P {
		in item a1: A;
		out item a2: A;
	}
	
}