/*
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* Copyright Cypress Semiconductor Corporation, 2014-2015 All rights reserved.
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*
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* This software, associated documentation and materials ("Software") is
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* owned by Cypress Semiconductor Corporation ("Cypress") and is
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* protected by and subject to worldwide patent protection (UnitedStates and foreign), United States copyright laws and international
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* treaty provisions. Therefore, unless otherwise specified in a separate license agreement between you and Cypress, this Software
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* must be treated like any other copyrighted material. Reproduction,
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* modification, translation, compilation, or representation of this
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* Software in any other form (e.g., paper, magnetic, optical, silicon)
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* is prohibited without Cypress's express written permission.
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*
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* Disclaimer: THIS SOFTWARE IS PROVIDED AS-IS, WITH NO WARRANTY OF ANY
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* KIND, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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* NONINFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes
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* to the Software without notice. Cypress does not assume any liability
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* arising out of the application or use of Software or any product or
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* circuit described in the Software. Cypress does not authorize its
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* products for use as critical components in any products where a
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* malfunction or failure may reasonably be expected to result in
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* significant injury or death ("High Risk Product"). By including
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* Cypress's product in a High Risk Product, the manufacturer of such
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* system or application assumes all risk of such use and in doing so
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* indemnifies Cypress against all liability.
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*
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* Use of this Software may be limited by and subject to the applicable
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* Cypress software license agreement.
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*
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*
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*/
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#import "BatteryServiceModel.h"
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/*!
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* @class BatteryServiceModel
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*
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* @discussion Class to handle the battery service related operations
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*
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*/
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@interface BatteryServiceModel()<cbCharacteristicManagerDelegate>
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{
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void(^cbCharacteristicDiscoverHandler)(BOOL success,NSError *error);
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BOOL isCharacteristicRead;
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}
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@end
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@implementation BatteryServiceModel
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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self.batteryServiceDict = [[NSMutableDictionary alloc] init];
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[self.batteryServiceDict setValue:@" " forKey:[NSString stringWithFormat:@"%@",[[CBMoralManager sharedManager] myService]]];
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}
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return self;
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}
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/*!
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* @method startDiscoverChar
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*
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* @discussion Discovers the specified characteristics of a service..
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*/
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-(void)startDiscoverCharacteristicsWithCompletionHandler:(void (^)(BOOL success,NSError *error))handler
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{
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cbCharacteristicDiscoverHandler = handler;
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[[CBMoralManager sharedManager] setCbCharacteristicDelegate:self];
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[[[CBMoralManager sharedManager] myPeripheral] discoverCharacteristics:nil forService:[[CBMoralManager sharedManager] myService]];
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}
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-(void) readBatteryLevel
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{
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if (_batteryCharacterisic != nil)
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{
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isCharacteristicRead = YES;
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[Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:BATTERY_LEVEL_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:BATTERY_LEVEL_CHARACTERISTIC_UUID] descriptor:nil operation:READ_REQUEST];
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[[[CBMoralManager sharedManager] myPeripheral] readValueForCharacteristic:_batteryCharacterisic];
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}
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}
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/*!
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* @method updateCharacteristicWithHandler:
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*
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* @discussion Sets notifications or indications for the value of a specified characteristic.
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*/
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-(void)startUpdateCharacteristic
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{
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if (_batteryCharacterisic != nil)
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{
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[Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:BATTERY_LEVEL_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:BATTERY_LEVEL_CHARACTERISTIC_UUID] descriptor:nil operation:START_NOTIFY];
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[[[CBMoralManager sharedManager] myPeripheral] setNotifyValue:YES forCharacteristic:_batteryCharacterisic];
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}
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}
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/*!
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* @method stopUpdate
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*
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* @discussion Stop notifications or indications for the value of a specified characteristic.
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*/
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-(void)stopUpdate
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{
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if (_batteryCharacterisic != nil)
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{
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if (_batteryCharacterisic.isNotifying)
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{
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[[[CBMoralManager sharedManager] myPeripheral] setNotifyValue:NO forCharacteristic:_batteryCharacterisic];
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[Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:BATTERY_LEVEL_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:BATTERY_LEVEL_CHARACTERISTIC_UUID] descriptor:nil operation:STOP_NOTIFY];
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}
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}
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}
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#pragma mark - characteristicManager delegate
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/*!
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* @method peripheral: didDiscoverCharacteristicsForService: error:
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*
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* @discussion Method invoked when characteristics are discovered for a service
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*
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*/
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-(void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error
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{
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if ([service.UUID isEqual:BATTERY_LEVEL_SERVICE_UUID])
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{
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for (CBCharacteristic *aChar in service.characteristics)
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{
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// Checking for the required characteristic
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if ([aChar.UUID isEqual:BATTERY_LEVEL_CHARACTERISTIC_UUID])
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{
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_batteryCharacterisic = aChar;
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cbCharacteristicDiscoverHandler(YES,nil);
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}
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}
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}
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else
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cbCharacteristicDiscoverHandler(NO,error);
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}
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/*!
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* @method peripheral: didUpdateValueForCharacteristic: error:
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*
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* @discussion Method invoked when the characteristic value changes
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*
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*/
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-(void)peripheral:(CBPeripheral *)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error
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{
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if(error == nil )
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{
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[self handleBatteryCharacteristicValueWithChar:characteristic];
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}
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}
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/*!
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* @method handleBatteryCharacteristicValueWithChar:
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*
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* @discussion Method to handle the characteristic value
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*
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*/
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-(void) handleBatteryCharacteristicValueWithChar:(CBCharacteristic *) characteristic
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{
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if ([characteristic.UUID isEqual:BATTERY_LEVEL_CHARACTERISTIC_UUID] && characteristic.value)
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{
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[self getBatteryData:characteristic];
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}
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if (_delegate && [_delegate respondsToSelector:@selector(updateBatteryUI)])
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{
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[_delegate updateBatteryUI];
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}
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}
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/*!
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* @method getBatteryData:
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*
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* @discussion Method to get the Battery Level information
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*
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*/
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- (void)getBatteryData:(CBCharacteristic *)characteristic
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{
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NSData *data = [characteristic value];
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const uint8_t *reportData = [data bytes];
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NSString *levelString=[NSString stringWithFormat:@"%d",reportData[0]];
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if (!isCharacteristicRead)
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{
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[Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:characteristic.service.UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:characteristic.UUID] descriptor:nil operation:[NSString stringWithFormat:@"%@%@ %@",NOTIFY_RESPONSE,DATA_SEPERATOR,[Utilities convertDataToLoggerFormat:data]]];
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}
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else
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{
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[Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:characteristic.service.UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:characteristic.UUID] descriptor:nil operation:[NSString stringWithFormat:@"%@%@ %@",READ_RESPONSE,DATA_SEPERATOR,[Utilities convertDataToLoggerFormat:data]]];
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isCharacteristicRead = NO;
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}
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[self.batteryServiceDict setValue:levelString forKey:[NSString stringWithFormat:@"%@",characteristic.service]];
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}
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@end
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