WOLFRAM SYSTEM MODELER
    InterfacesConnectors and partial models  | 
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         Input port of a step  | 
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         Output port of a step  | 
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         Input port of a transition  | 
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         Output port of a transition  | 
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         Input port of a step (used for resume connector of a CompositeStep)  | 
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         Output port of a step (used for suspend connector of a CompositeStep)  | 
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         Communication port between a CompositeStep and the ordinary steps within the CompositeStep (suspend/resume are inputs)  | 
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         Communication port between a CompositeStep and the ordinary steps within the CompositeStep (suspend/resume are outputs)  | 
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         Partial step with one input and one output transition port  | 
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         Partial transition with input and output connections  | 
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         Icon for a StateGraph object  | 
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         Communication channel between CompositeSteps and steps in the CompositeStep  | 
    
SystemModel["Modelica.StateGraph.Interfaces"]
