text: //
  //  AGSLayer+LayerLoading.h
  //  arcgis-layerloading-ios
  //
  //  Created by Nicholas Furness on 1/15/13.
  //  Copyright (c) 2013 Esri. All rights reserved.
  //
  
  #import <ArcGIS/ArcGIS.h>
  
  extern NSString *const kLLNotification_LayerLoading;
  extern NSString *const kLLNotification_LayerLoaded;
  extern NSString *const kLLNotification_LayerNowVisibleByScaleRange;
  extern NSString *const kLLNotification_LayerNoLongerVisibleByScaleRange;
  extern NSString *const kLLNotification_LayerTrackingStartedForLayer;
  extern NSString *const kLLNotification_LayerTrackingStoppedForLayer;
  
  @interface AGSLayer (LayerLoading)
  -(void)ll_startTracking;
  -(void)ll_stopTracking;
  @property (nonatomic, assign, readonly) BOOL ll_isTracking;
  @end
  