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