MLNMultiPolyline.castFrom constructor
      
      MLNMultiPolyline.castFrom(
    
- ObjCObjectBase other
 
Constructs a MLNMultiPolyline that points to the same underlying object as other.
Implementation
MLNMultiPolyline.castFrom(objc.ObjCObjectBase other) :
    this._(other.ref.pointer, retain: true, release: true);