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Types of arrow positions for restriction traversability.
| Constant | Value | Description | 
|---|---|---|
| esriNetworkArrowTypeNoArrow | 0 | Do not draw arrows. | 
| esriNetworkArrowTypeEndpoint | 1 | Draw arrows and the endpoint of the edge. | 
| esriNetworkArrowTypeMidpoint | 2 | Draw arrows and the midpoint of the edge. |