//// RACBehaviorSubject.h// ReactiveObjC//// Created by Josh Abernathy on 3/16/12.// Copyright (c) 2012 GitHub, Inc. All rights reserved.//#import "RACSubject.h"NS_ASSUME_NONNULL_BEGIN/// A behavior subject sends the last value it received when it is subscribed to.@interfaceRACBehaviorSubject<ValueType>:RACSubject<ValueType>/// Creates a new behavior subject with a default value. If it hasn't received/// any values when it gets subscribed to, it sends the default value.+(instancetype)behaviorSubjectWithDefaultValue:(nullableValueType)value;@endNS_ASSUME_NONNULL_END