Available on js
@:value(cast "exponential")@:enum@:implinlineread onlyEXPONENTIAL:DistanceModelType = "exponential"
@:value(cast "inverse")@:enum@:implinlineread onlyINVERSE:DistanceModelType = "inverse"
@:value(cast "linear")@:enum@:implinlineread onlyLINEAR:DistanceModelType = "linear"