Color palette. Defaults to 'fadedRainbow'.
Optionaltheme: GeometryThemeVisual theme. Defaults to 'filled'.
OptionalbeforeLayerConfig: BeforeLayerConfigLayer positioning. Defaults to 'lowestLabel'.
Optionallabel: ReachableRangeLabelFnCustom label generator; when omitted, labels are derived from budget property.
Returns a GeometriesModuleConfig for reachable ranges.
Builds on themedGeometryConfig and overrides
transformFeaturesForDisplayso the raw output ofcalculateReachableRangescan be passed directly to GeometriesModule.show — labels are derived from each feature'sbudgetproperty.