text: //
  //  MPUserAttributeChange.h
  //
  //  Copyright 2016 mParticle, Inc.
  //
  //  Licensed under the Apache License, Version 2.0 (the "License");
  //  you may not use this file except in compliance with the License.
  //  You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  //  Unless required by applicable law or agreed to in writing, software
  //  distributed under the License is distributed on an "AS IS" BASIS,
  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  //  See the License for the specific language governing permissions and
  //  limitations under the License.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface MPUserAttributeChange : NSObject
  
  @property (nonatomic, strong, nonnull) NSString *key;
  @property (nonatomic, strong, nullable) NSDate *timestamp;
  @property (nonatomic, strong, nullable) NSDictionary<NSString *, id> *userAttributes;
  @property (nonatomic, strong, nullable) id value;
  @property (nonatomic, strong, nullable) id valueToLog;
  @property (nonatomic, unsafe_unretained, readonly) BOOL changed;
  @property (nonatomic, unsafe_unretained) BOOL deleted;
  @property (nonatomic, unsafe_unretained) BOOL isArray;
  
  - (nullable instancetype)initWithUserAttributes:(nullable NSDictionary<NSString *, id> *)userAttributes key:(nonnull NSString *)key value:(nullable id)value;
  
  @end
  