Enums.RouteShapeType enumeration

The RouteShapeType can be one of:

Constant	Description
`Enums.RouteShapeTypeNone`	`(0)` No shape type.
`Enums.RouteShapeTypeStraightLine`	`(1)` A straight line shape type.
`Enums.RouteShapeTypeTrueShapeWithMeasures`	`(2)` A true shape type with measures.