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//
// RACGroupedSignal.h
// ReactiveObjC
//
// Created by Josh Abernathy on 5/2/12.
// Copyright (c) 2012 GitHub, Inc. All rights reserved.
//
#import "RACSubject.h"
NS_ASSUME_NONNULL_BEGIN
/// A grouped signal is used by -[RACSignal groupBy:transform:].
@interface RACGroupedSignal : RACSubject
/// The key shared by the group.
@property (nonatomic, readonly, copy) id<NSCopying> key;
+ (instancetype)signalWithKey:(id<NSCopying>)key;
@end
NS_ASSUME_NONNULL_END