styleFor

abstract fun styleFor(layerName: String, geometryType: MvtGeometryType, properties: Map<String, Any?>): ShapeAttributes?

Resolve attributes for one feature. layerName is the MVT layer (e.g. water, transportation, building); geometryType gates polygon-vs-line attribute choice. properties is the inflated feature property map.

Return null to omit the feature from the output.