MAPSIOS-1581: Geofence integration (#2319)

Sources/MapboxMaps/Foundation/Extensions/Geofencing/Geofencing+Turf.swift

@@ -0,0 +1,40 @@
+@_spi(Experimental) @_spi(Internal) import MapboxCommon
+
+@_spi(Experimental)
+extension GeofenceState {
+    /// Create `GeofenceState`
+    @_spi(Experimental)
+    public init(feature: Turf.Feature, timestamp: Date?) {
+        self.init(_feature: MapboxCommon.Feature(feature), timestamp: timestamp)
+    }
+
+    /// The feature linked to this state
+    @_spi(Experimental)
+    public var feature: Turf.Feature { Turf.Feature(_feature) }
+}
+
+@_spi(Experimental)
+extension GeofencingEvent {
+    /// Create `GeofenceEvent`
+    @_spi(Experimental)
+    public init(feature: Turf.Feature, timestamp: Date) {
+        self.init(_feature: MapboxCommon.Feature(feature), timestamp: timestamp)
+    }
+
+    /// The feature linked to this event
+    @_spi(Experimental)
+    public var feature: Turf.Feature { Turf.Feature(_feature) }
+}
+
+@_spi(Experimental)
+extension GeofencingService {
+    /// Adds a feature to be monitored for geofencing activities.
+    /// You can add extra properties (see GeofencingPropertiesKeys) to the Feature to configure how geofencing engine behaves per each specific feature.
+    /// If a feature with the same ID already exist it will be overwritten and its state reset
+    @_spi(Experimental)
+    public func addFeature(feature: Turf.Feature, callback: @escaping (Result<String, GeofencingError>) -> Void) {
+        self.addFeature(feature: MapboxCommon.Feature(feature)) { result in
+            callback(result)
+        }
+    }
+}