iOS - Tags for trips

/**
 * Returns track tags.
 *
 * @param trackToken  Track id.
 */
- (void)getTrackTags:(NSString *)trackToken completion:(id response, NSArray *error)callback;

/**
 * Add track tags. Return tags successfully added (with tag and type only, without source).
 *
 * @param trackToken  Track id.
 */ 
- (void)addTrackTags:(NSArray<RPTag *>*)tags to:(NSString *)trackToken completion:(id response, NSArray *error)callback;

/**
 * Remove track tags. Return tags successfully removed (with tag and type only, without source).
 *
 * @param trackToken  Track id.
 */
- (void)removeTrackTags:(NSArray<RPTag *>*)tags from:(NSString *)trackToken completion:(id response, NSArray *error)callback;