Class-Diagram.md

+**Model**
 ```plantuml
-Bob -> Alice : hello
-Alice -> Bob : hi
+class Simulation
+Simulation "1" *-- Company
+Person <|-- Visitor
+Person <|-- Staff
+Staff <|-- CleaningLady
+Staff <|-- MaintenanceGuy 
+Simulation "*" *-- Person
+
+Simulation "1" *-- Map
+class MapObject
+MapObject <|-- Building
+MapObject <|-- Pavement
+Building <|-- Entrance
+Building <|-- StaffBuilding
+class Pavement
+Pavement <|-- QueuePavement
+Pavement <|-- VirtualPavement
+
+Map "*" *-- MapObject
+
+Map "1" *-- NavigationGraph
+Simulation "1" *-- MaintenanceDispatcher
 ```
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