text: /* Copyright 2018 Urban Airship and Contributors */
  
  #import <Foundation/Foundation.h>
  
  /**
   * Times how long the app has been active.
   */
  @interface UAActiveTimer : NSObject
  
  
  /**
   * Total application active time.
   */
  @property (nonatomic, readonly) NSTimeInterval time;
  
  /**
   * Starts the timer.
   */
  - (void)start;
  
  /**
   * Stops the timer.
   */
  - (void)stop;
  
  @end
  