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// SUVersionComparisonProtocol.h
// Sparkle
// Created by Andy Matuschak on 12/21/07.
// Copyright 2007 Andy Matuschak. All rights reserved.
@abstract Implement this protocol to provide version comparison facilities for Sparkle.
@protocol SUVersionComparison
@abstract An abstract method to compare two version strings.
@discussion Should return NSOrderedAscending if b > a, NSOrderedDescending if b < a, and NSOrderedSame if they are equivalent.
- (NSComparisonResult)compareVersion:(NSString *)versionA toVersion:(NSString *)versionB;